KLM rating

5.3/10Axel score · #63 of 77

4.4/10Repriceability · #49

Checked October 26, 2026 · How Axel rates airlines

Included cabin bags help, but costly changes undermine KLM's value

Axel sees KLM as a conditional value choice, not a strong option for travelers who expect to change plans or recover later fare drops. Included cabin baggage and clear fee presentation help, but restrictive cancellation rules and change fees weaken the deal. Complaint rates are also materially above the median for airlines based abroad.

Best
Intercontinental economy Light includes a cabin bag and a small bag, combined maximum 12 kg.
Economy Standard includes a checked bag up to 23 kg.
No fee-display findings were identified in five years.

Worst
Standard is non-refundable for ordinary voluntary cancellation.
Light changes from Europe to the US are prohibited except from the United Kingdom.
KLM recorded 23.95 complaints per 100,000 passengers, against a 14.73 median for airlines based abroad.

If the fare drops after you book, can you get money back?

PartlyRepriceability 4.4/10

Partly, through eligible cheaper-flight changes or cancellation within the applicable refund window, not a confirmed same-flight price-drop right. KLM issues a voucher for a permitted change to a cheaper flight, but change fees apply. US-indexed economy rules list EUR 200 for Light and Standard, plus any fare increase. Netherlands comparisons list EUR 300 and EUR 150 respectively. Check your ticket, current USD fees are unconfirmed. Light changes from Europe to the US are prohibited except from the United Kingdom. Flex has no change fee, but cancellation refund fees depend on the ticket. Light and Standard normally give no cancellation refund beyond potentially unused taxes. Non-refundable vouchers must be redeemed within one year, normally by the named passenger, who can also pay for companions on the same booking. Unused balances retain the original expiry.

KLM permits refunds within 24 hours for flights to or from the US booked on its US website, including accompanying paid options. DOT's minimum protection requires direct booking at least seven days before departure. Axel recorded fewer than 10 repricing attempts, but results and the observation period were not supplied.

KLM fares
Fare	Changes	Cancel	Carry-on	Bags	Seat
Light	KLM's US-indexed intercontinental rules publish EUR 200 plus any fare difference. The directly readable Netherlands comparison instead publishes EUR 300. Neither provides a confirmed current USD amount; check the specific US-issued fare conditions.	Non-refundable for ordinary voluntary cancellation; unused airport taxes may be refundable. The 24-hour cancellation window and qualifying airline disruptions are exceptions.	Included	0	Fee
Standard	KLM's US-indexed intercontinental pages publish EUR 200 plus any fare difference. The directly readable Netherlands comparison publishes EUR 150. The current fee applicable to a particular US-issued ticket must be checked in its fare conditions; no verified USD amount was found.	Non-refundable for ordinary voluntary cancellation, rather than automatically exchangeable for a cancellation credit. Unused airport taxes may be refunded; statutory and 24-hour exceptions apply.	Included	1	Free choice
Flex	No change fee	The fare-comparison pages promise cancellation with a refund and no cancellation fee. However, KLM's refund page says Flex refunds can be free or subject to a fee depending on the fare paid. Refundability is confirmed, but an unconditional fee-free refund for every US-issued Flex ticket could not be established.	Included	1	Free choice
Lightpremium economy	For Premium Comfort Light, the US-indexed comparison publishes EUR 250 plus any fare difference; the directly readable Netherlands comparison publishes EUR 400. A current US-issued-ticket USD fee could not be confirmed.	Non-refundable for ordinary voluntary cancellation, subject to refundable unused taxes and the applicable 24-hour or disruption exceptions.	Included	0	Fee
Lightbusiness	The US-indexed pages publish EUR 300 plus any fare difference; the directly readable Netherlands comparison publishes EUR 500. Exact current US-issued fare conditions and USD pricing were not confirmed.	KLM's current public comparison and refund guidance refer Business passengers to their individual ticket conditions. A uniform current Business Light cancellation fee or refund entitlement on US routes could not be confirmed.	Included	1	Free choice

Fare difference on a cheaper change: As a credit. KLM explicitly says a permitted change to a cheaper flight produces a voucher for the remaining value. Standard's applicable change fee still matters, so the reduction is not necessarily a fee-free saving. The page does not explain whether the fee is deducted from the residual or collected separately, or identify every residual voucher as refundable or non-refundable.
Same flight, lower price: No explicit current policy was found guaranteeing a fee-free refund or credit solely because the exact booked flight becomes cheaper. KLM's cheaper-flight change policy does not establish same-flight repricing eligibility or waive change fees. Cancel-and-rebook is an available approach within the applicable 24-hour refund window; beyond it, cancellation depends on the purchased fare's refund conditions.
Credits (Travel voucher / EMD voucher): Non-refundable travel vouchers must be redeemed within one year of issuance to book future travel. A replacement voucher for an unused balance retains the original conditions rather than creating a fresh validity period. Transferable: partial.
24-hour rule: KLM's US customer commitment permits a refund within 24 hours after booking a flight to or from the US on its US website, including paid options purchased with it. That statement does not specify a minimum advance-purchase interval. DOT's minimum legal protection covers direct-airline purchases made at least seven days before departure; it does not automatically cover third-party bookings.
Same-day change: No separate US-route same-day confirmed-change or standby product with a published flat fee was verified. KLM permits eligible departure-time changes under the ticket's ordinary change conditions, and requires cancelling check-in first if already checked in. Its explicit earlier/later-flight benefit for Economy Flex appears in the within-Europe section, not the US intercontinental section.
Schedule changes: For US itineraries, cancellation or a DOT-defined significant change permits a refund to the original payment method when the traveler declines the changed flight, replacement transportation and credit alternatives. For international itineraries, the time-based DOT triggers include departure at least six hours earlier or arrival at least six hours later. Other triggers include a changed origin or destination airport, additional connections, or a cabin downgrade. KLM also publishes a general five-hour intercontinental schedule-change threshold, but expressly directs US flights to DOT rules; whether its more generous five-hour threshold is also honored on US itineraries was not confirmed. Qualifying US refunds are due within seven business days for credit-card purchases or 20 calendar days for other payment methods.

Score breakdown

Repriceability 35%4.4
- Standard fare change fee: 4.0/10 · Standard: KLM's US-indexed intercontinental pages publish EUR 200 plus any fare difference. The directly readable Netherlands comparison publishes EUR 150. The current fee applicable to a particular US-issued ticket must be checked in its fare conditions; no verified USD amount was found.
- Lowest fare flexibility: 4.0/10 · Light: KLM's US-indexed intercontinental rules publish EUR 200 plus any fare difference. The directly readable Netherlands comparison instead publishes EUR 300. Neither provides a confirmed current USD amount; check the specific US-issued fare conditions.
- Lower fare on the same flight: no data, median 4.0/10 used · KLM offers a residual voucher for a permitted change to a cheaper flight, subject to Standard’s change fee, but the facts do not establish that the exact booked flight can be repriced. Standard is non-refundable after the 24-hour window, so cancellation does not establish another route to recover the difference.
- Credit terms: 7.0/10 · Non-refundable travel vouchers must be redeemed within one year of issuance to book future travel. A replacement voucher for an unused balance retains the original conditions rather than creating a fresh validity period.; transferable: partial
- Cancel the standard fare: 0.0/10 · Non-refundable for ordinary voluntary cancellation, rather than automatically exchangeable for a cancellation credit. Unused airport taxes may be refunded; statutory and 24-hour exceptions apply.
- Risk-free window: 7.0/10 · KLM's US customer commitment permits a refund within 24 hours after booking a flight to or from the US on its US website, including paid options purchased with it. That statement does not specify a minimum advance-purchase interval. DOT's minimum legal protection covers direct-airline purchases made at least seven days before departure; it does not automatically cover third-party bookings.
- Same-day change: no data, median 7.0/10 used · No separate US-route same-day confirmed-change or standby product with a published flat fee was verified. KLM permits eligible departure-time changes under the ticket's ordinary change conditions, and requires cancelling check-in first if already checked in. Its explicit earlier/later-flight benefit for Economy Flex appears in the within-Europe section, not the US intercontinental section.
- What Axel saw: does not apply · fewer than 10 attempts · Axel repricing attempts
Refunds and disruptions 20%6.6
- Commitments when the airline causes the problem: 8.0/10 · Covered by: US_DOT_refund_rule, EU261, UK261, Canada_APPR; KLM's U.S. customer commitment promises meal allowances and accommodation at contracted hotels, subject to availability, when a controllable delay, cancellation or missed connection requires an overnight stay away from home or destination. Its passenger-rights notice also describes meals, necessary hotel accommodation and airport transfers, but these largely implement EU legal duties rather than additional benefits. Eligible EU compensation can be taken as cash of EUR 250/400/600 or, voluntarily, a higher-value nonrefundable transportation voucher of EUR 350/500/800, subject to the applicable distance and reduction rules. No general promise of additional cash compensation beyond legal entitlements was identified.
- Refund conduct: 7.0/10 · 2024-5 U.S. DOT $1,100,000
- Refund complaints: 3.8/10 · 6.15 refund complaints per 100,000 passengers (median for airlines based abroad: 4.39) · DOT complaint cases per 100,000 passengers on flights to and from the US (DOT T-100), April and May 2026; a month with fewer than 5 cases, which DOT does not list, counts as 2
Reliability 15%5.2
- On-time arrival: 5.2/10 · 72.91% on time (September 1–30, 2026. Published as KLM Royal Dutch Airlines, not Air France-KLM Group. Cancellation rate published directly; not derived from a completion factor. Monthly fallback because a 2025 full-year figure could not be confirmed.) · OAG monthly on-time performance rankings, September 2026
- Cancellations: 5.2/10 · 2.65% cancelled (September 1–30, 2026. Published as KLM Royal Dutch Airlines, not Air France-KLM Group. Cancellation rate published directly; not derived from a completion factor. Monthly fallback because a 2025 full-year figure could not be confirmed.) · OAG monthly on-time performance rankings, September 2026
Fees and transparency 15%7.5
- Carry-on in the lowest fare: 10.0/10 · Intercontinental Economy Light includes one cabin bag and one small bag, combined maximum 12 kg, without an additional charge.
- First checked bag: no data, median 6.0/10 used · Economy Light includes no checked bag. KLM's US fee table lists USD 75 for a first checked bag between the US or Canada and Europe when not included. The lowest advance-online USD price could not be verified, so that amount is not entered as the advance-purchase minimum. KLM's extra-baggage page gives a general intercontinental advance-purchase range of EUR 30–240 per piece when bought at least 24 hours before departure, with the actual price shown in My Trip.
- Seat in the lowest fare: 3.0/10 · fee
- Children seated with a parent: 5.0/10 · Economy Light receives a free assigned seat at check-in; choosing or changing the assignment costs extra. Prices depend on the itinerary. KLM assigns family seats free at check-in and promises that children under 12 will sit beside an adult in the same booking. This is not a US-route guarantee covering every child aged 13 or younger: ages 12 and 13 fall outside that published promise. Advance selection of particular family seats can cost extra.
- Price shown is price paid: 10.0/10 · No fee-display findings in 5 years
Complaints and handling 10%3.3
- Complaint rate: 3.3/10 · 23.95 complaints per 100,000 passengers (median for airlines based abroad: 14.73) · DOT complaint cases per 100,000 passengers on flights to and from the US (DOT T-100), April and May 2026; a month with fewer than 5 cases, which DOT does not list, counts as 2
- Mishandled bags: does not apply · not reported to DOT · U.S. DOT, April, May, July and August 2026
- Mishandled wheelchairs and scooters: does not apply · not reported to DOT · U.S. DOT, April, May, July and August 2026
- Bumping: does not apply · not reported to DOT · U.S. DOT, April to June 2026
Loyalty fairness 5%4.2
- Miles expiry: 7.0/10 · Miles generally have a 24-month validity period, extendable through qualifying activity. Flying Blue introduced a unified validity rule from May 4, 2026 for flight- and partner-earned Miles. Its announcement lists expiry protection for Elite and Elite Plus members, Flying Blue Extra subscribers, co-branded credit-card holders and members under 18; applicable membership and card conditions still matter.
- Devaluations: 2.0/10 · 2025-01-13: Flying Blue confirmed to One Mile at a Time that higher award prices were intentional. U.S.–Europe one-way starting prices increased from 20,000 to 25,000 Miles in economy, 35,000 to 40,000 in premium economy, and 50,000 to 60,000 in business. No advance notice was identified; the program said the change would support more entry-level award availability.; 2026-08-19: Announced August 19 and effective September 8, Air France/KLM awards were divided into Light, Standard and Flex. The airline-provided U.S.–Europe business example retained a 60,000-Mile Light price but removed changes, refunds and included lounge access; the more comparable Standard award became 75,000 Miles. Airline-provided economy and premium-economy Standard examples were 30,000 and 50,000 Miles, versus Light examples of 25,000 and 40,000. Existing tickets retained their original conditions, and elite exceptions apply.
- Award pricing: 3.0/10 · fully_dynamic

Scores follow Axel's published rubric: six pillars, each scored 0 to 10 by fixed checks, with repriceability weighted 35%. Facts were checked October 26, 2026. No data for 3 checks (Lower fare on the same flight, Same-day change, First checked bag), each scored at the median of all rated airlines.

Refunds and disruptions

KLM is covered by US DOT refund rules, EU261, UK261 and Canada's APPR where applicable. On US itineraries, cancellations or qualifying significant changes require a refund to the original payment method if you decline replacement travel and credit alternatives. Refunds are due within seven business days for credit cards or 20 calendar days otherwise. KLM promises meal allowances and contracted hotel accommodation, subject to availability, for controllable overnight disruptions away from home or destination.

In May 2024, the US DOT imposed $1,100,000 for untimely refunds. On September 26, 2024, the Canadian Transportation Agency issued a CAD 48,000 penalty for passenger-rights information violations. No established reporting from October 2024 onward demonstrated routine late ticket refunds or compulsory vouchers, but that does not establish prompt handling of every claim. Eligible EU compensation can be paid in cash or, voluntarily, vouchers.

Regulator actions since October 2021

May 2024, U.S. DOT: Order 2024-5-27: Routinely failed to provide timely refunds for cancelled or significantly changed US flights; $1.1 million. Source
September 2024, Canadian Transportation Agency: CTA issued a CAD 48,000 administrative monetary penalty for 30 APPR violations involving passenger-rights information on itinerary documents. These concerned carriage conditions, treatment and compensation entitlements, available recourse, and prescribed notices. September 26 is the notice's issuance date; the public announcement followed September 27. A date-specific USD conversion was not verified. Source

Reliability

OAG's September 2026 rankings report 72.91% on-time arrivals and 2.65% cancellations for KLM Royal Dutch Airlines, not the Air France-KLM Group. These are monthly figures, not annual results. A verified KLM-specific full-year 2025 punctuality or cancellation figure was not obtained. For context, Cirium's January to December 2024 review gives a 1.94% cancellation rate, calculated from 5,030 cancellations among 259,837 flights.

Fees

Intercontinental economy Light includes a cabin bag and a small bag with a combined 12 kg limit. Checked baggage is extra. KLM's US table lists USD 75 for the first bag between the US or Canada and Europe, but the lowest advance-online USD price was not confirmed. A seat is assigned free at check-in, while choosing or changing it costs extra at itinerary-specific prices. Children under 12 are promised a seat beside an adult on the same booking, not free advance choice. No fee-display findings were identified in five years. The displayed fare covers included services, but optional bags and seat selection can increase what you pay.

Complaints

DOT recorded 23.95 complaints per 100,000 passengers on KLM flights to and from the US in April and May 2026, versus a 14.73 median for airlines based abroad. Refund complaints were 6.15 per 100,000, versus 4.39. That is a weak complaint record. DOT did not report KLM bag or wheelchair mishandling figures for April, May, July and August 2026, or bumping figures for April to June 2026.

Loyalty program

Flying Blue prices awards dynamically. Miles generally last 24 months, extendable through qualifying activity, with unified rules from May 4, 2026 and protected categories. On January 13, 2025, US to Europe economy starting prices rose from 20,000 to 25,000 Miles without identified advance notice. From September 8, 2026, the US to Europe business Light example cost 60,000 Miles but lost changes, refunds and included lounge access. Standard cost 75,000 Miles.

Choose KLM if

You can travel with cabin baggage only.
You can commit to fixed travel dates.
You find Standard competitive when a checked bag is needed.

Book elsewhere if

You expect to cancel Standard for a travel credit.
You want guaranteed savings when the same flight gets cheaper.
You need free advance seat choice on Light.

Tips

Compare Light plus extras against Standard, which includes a checked bag up to 23 kg.
Accept the free seat assigned at check-in on Light if choosing a particular seat is not worth the extra charge.
Check My Trip for the checked-bag price at least 24 hours before departure rather than assuming USD 75 is the cheapest advance price.

Questions travelers ask

Does KLM charge change fees?

Yes, on economy Light and Standard where changes are allowed. US-indexed rules list EUR 200 plus any fare difference, while Netherlands comparisons list EUR 300 for Light and EUR 150 for Standard. Current USD fees are unconfirmed. Light changes from Europe to the US are prohibited except from the United Kingdom. Flex has no change fee, but fare increases remain payable.

Can I get money back if my KLM fare drops?

Not automatically. KLM has no confirmed policy guaranteeing a refund or credit when the exact booked flight becomes cheaper. A permitted change to a cheaper flight produces a voucher, with the applicable change fee still relevant. Within the applicable 24-hour refund window, cancellation and rebooking may work. Beyond that window, Light and Standard are normally non-refundable.

How long do KLM travel vouchers last?

Non-refundable travel vouchers must be redeemed within one year of issuance to book future travel. They normally belong to the named passenger, but that person can also pay for companions travelling on the same booking. An unused balance keeps the original conditions and expiry rather than starting a new validity period. Vouchers cannot be sold or bartered.

What am I entitled to if KLM cancels my flight?

For a US itinerary, you can receive a refund to the original payment method if you decline replacement travel and credit alternatives. Credit-card refunds are due within seven business days, other payments within 20 calendar days. For controllable overnight disruptions away from home or destination, KLM promises meal allowances and contracted hotels, subject to availability. EU261, UK261 or Canada's APPR may provide further rights where applicable.

What does KLM charge for carry-on and checked bags?

Intercontinental economy Light includes a cabin bag and a small bag, combined maximum 12 kg, at no extra charge. It includes no checked bag. KLM's US table lists USD 75 for a first checked bag between the US or Canada and Europe, but the lowest advance-online USD price was not confirmed. Standard includes a checked bag up to 23 kg.

Sources

Ticket options, KLM
Changing a flight, KLM
Ticket options — Netherlands English edition, KLM
Seats in Economy Class, KLM
Cash refund, KLM
Travel voucher conditions, KLM
Customer commitment, KLM
Fees and paid options — United States, KLM
Extra or oversized baggage, KLM
Traveling with babies and children, KLM
Refunds, U.S. Department of Transportation
KLM Newsroom, KLM
Air France and KLM Standard Seat Selection, Delta Air Lines
Air France & KLM Seat Fees In Business Class Expand To More Markets, One Mile at a Time, 2026-07-11
General Conditions of Carriage, KLM, 2026-04-15
KLM offers more capacity, greater comfort and a renewed fleet this winter, KLM, 2026-09-22
KLM Annual Report 2025, KLM
KLM Consent Order 2024-5-27, U.S. Department of Transportation, 2024-06-03
Koninklijke Luchtvaart Maatschappij N.V. (aka KLM Royal Dutch Airlines), Canadian Transportation Agency, 2024-09-26
Passagiersrechten tijdens de coronapandemie, Netherlands Human Environment and Transport Inspectorate (ILT)
KLM Royal Dutch Airlines — Order 2026-10-10, U.S. Department of Transportation, 2026-10-23
Passenger Rights, KLM
Compensation and reimbursement for delay, KLM
Canadian Air Passenger Protection Regulations, KLM
Compensation around the world — Passenger rights guide 2025, AirHelp
On-Time Performance Review, Cirium
Cirium On-Time Performance Review 2025, Cirium; report hosted by Poder360, 2026-01
Cirium On-Time Performance Review 2024, Cirium
KLM Reviews: Ratings, Delays & Flight Performance, AirHelp, 2026-05-07
One validity date, multiple ways to extend your Miles, Flying Blue
Flying Blue Devaluation, Sort Of: Higher Pricing, But More Award Seats, One Mile at a Time, 2025-03-06
Flying Blue home — More choice, more flexibility with reward tickets, Flying Blue
Reward tickets, Flying Blue
Flying Blue adds Light, Standard and Flex award fares, The Points Guy, 2026-08-19
Ticket prices, booking fees and service fees, KLM
Fees and paid options — United States, KLM
KLM Rebooks Passengers Following Two-Hour Ground Staff Strike on 10 September, KLM, 2025-09-09
Impact of Winter Weather on KLM Flights, KLM, 2026-01-12
Receive disruption updates during your journey, KLM
Case C-45/24: Cancellation refunds must include intermediary commission, Court of Justice of the European Union, 2026-01-15
Contact the KLM Customer Contact Centre, KLM
Aviation Enforcement Orders, U.S. Department of Transportation
AirHelp reveals the best and worst airlines in 2025 AirHelp Score, AirHelp

For AI assistants: the whole rating as text, with every source

KLM rating: 5.3/10 (C tier)

Included cabin bags help, but costly changes undermine KLM's value

Axel score: 5.3/10, C tier, #63 of 77 airlines. Repriceability: 4.4/10 (#49). Checked October 26, 2026. Source: https://helloaxel.com/en/airlines/klm

Best and worst

Best: Intercontinental economy Light includes a cabin bag and a small bag, combined maximum 12 kg.
Best: Economy Standard includes a checked bag up to 23 kg.
Best: No fee-display findings were identified in five years.
Worst: Standard is non-refundable for ordinary voluntary cancellation.
Worst: Light changes from Europe to the US are prohibited except from the United Kingdom.
Worst: KLM recorded 23.95 complaints per 100,000 passengers, against a 14.73 median for airlines based abroad.

If the fare drops after you book, can you get money back? Partly

KLM fares

Fare	Changes	Cancel	Carry-on	Checked bags	Seat
Light	KLM's US-indexed intercontinental rules publish EUR 200 plus any fare difference. The directly readable Netherlands comparison instead publishes EUR 300. Neither provides a confirmed current USD amount; check the specific US-issued fare conditions.	Non-refundable for ordinary voluntary cancellation; unused airport taxes may be refundable. The 24-hour cancellation window and qualifying airline disruptions are exceptions.	included	0	Fee
Standard	KLM's US-indexed intercontinental pages publish EUR 200 plus any fare difference. The directly readable Netherlands comparison publishes EUR 150. The current fee applicable to a particular US-issued ticket must be checked in its fare conditions; no verified USD amount was found.	Non-refundable for ordinary voluntary cancellation, rather than automatically exchangeable for a cancellation credit. Unused airport taxes may be refunded; statutory and 24-hour exceptions apply.	included	1	Free choice
Flex	No change fee	The fare-comparison pages promise cancellation with a refund and no cancellation fee. However, KLM's refund page says Flex refunds can be free or subject to a fee depending on the fare paid. Refundability is confirmed, but an unconditional fee-free refund for every US-issued Flex ticket could not be established.	included	1	Free choice
Light (premium economy)	For Premium Comfort Light, the US-indexed comparison publishes EUR 250 plus any fare difference; the directly readable Netherlands comparison publishes EUR 400. A current US-issued-ticket USD fee could not be confirmed.	Non-refundable for ordinary voluntary cancellation, subject to refundable unused taxes and the applicable 24-hour or disruption exceptions.	included	0	Fee
Light (business)	The US-indexed pages publish EUR 300 plus any fare difference; the directly readable Netherlands comparison publishes EUR 500. Exact current US-issued fare conditions and USD pricing were not confirmed.	KLM's current public comparison and refund guidance refer Business passengers to their individual ticket conditions. A uniform current Business Light cancellation fee or refund entitlement on US routes could not be confirmed.	included	1	Free choice

Key facts

Fare difference on a cheaper change: As a credit. KLM explicitly says a permitted change to a cheaper flight produces a voucher for the remaining value. Standard's applicable change fee still matters, so the reduction is not necessarily a fee-free saving. The page does not explain whether the fee is deducted from the residual or collected separately, or identify every residual voucher as refundable or non-refundable.
Same flight, lower price: No explicit current policy was found guaranteeing a fee-free refund or credit solely because the exact booked flight becomes cheaper. KLM's cheaper-flight change policy does not establish same-flight repricing eligibility or waive change fees. Cancel-and-rebook is an available approach within the applicable 24-hour refund window; beyond it, cancellation depends on the purchased fare's refund conditions.
Credits (Travel voucher / EMD voucher): Non-refundable travel vouchers must be redeemed within one year of issuance to book future travel. A replacement voucher for an unused balance retains the original conditions rather than creating a fresh validity period. Transferable: partial.
24-hour rule: KLM's US customer commitment permits a refund within 24 hours after booking a flight to or from the US on its US website, including paid options purchased with it. That statement does not specify a minimum advance-purchase interval. DOT's minimum legal protection covers direct-airline purchases made at least seven days before departure; it does not automatically cover third-party bookings.
Same-day change: No separate US-route same-day confirmed-change or standby product with a published flat fee was verified. KLM permits eligible departure-time changes under the ticket's ordinary change conditions, and requires cancelling check-in first if already checked in. Its explicit earlier/later-flight benefit for Economy Flex appears in the within-Europe section, not the US intercontinental section.
Schedule changes: For US itineraries, cancellation or a DOT-defined significant change permits a refund to the original payment method when the traveler declines the changed flight, replacement transportation and credit alternatives. For international itineraries, the time-based DOT triggers include departure at least six hours earlier or arrival at least six hours later. Other triggers include a changed origin or destination airport, additional connections, or a cabin downgrade. KLM also publishes a general five-hour intercontinental schedule-change threshold, but expressly directs US flights to DOT rules; whether its more generous five-hour threshold is also honored on US itineraries was not confirmed. Qualifying US refunds are due within seven business days for credit-card purchases or 20 calendar days for other payment methods.

Score breakdown

Pillar	Weight	Score
Repriceability	35%	4.4/10
Refunds and disruptions	20%	6.6/10
Reliability	15%	5.2/10
Fees and transparency	15%	7.5/10
Complaints and handling	10%	3.3/10
Loyalty fairness	5%	4.2/10

Repriceability: 4.4/10

Standard fare change fee: 4.0/10 (Standard: KLM's US-indexed intercontinental pages publish EUR 200 plus any fare difference. The directly readable Netherlands comparison publishes EUR 150. The current fee applicable to a particular US-issued ticket must be checked in its fare conditions; no verified USD amount was found.)
Lowest fare flexibility: 4.0/10 (Light: KLM's US-indexed intercontinental rules publish EUR 200 plus any fare difference. The directly readable Netherlands comparison instead publishes EUR 300. Neither provides a confirmed current USD amount; check the specific US-issued fare conditions.)
Lower fare on the same flight: no data, median 4.0/10 used (KLM offers a residual voucher for a permitted change to a cheaper flight, subject to Standard’s change fee, but the facts do not establish that the exact booked flight can be repriced. Standard is non-refundable after the 24-hour window, so cancellation does not establish another route to recover the difference.)
Credit terms: 7.0/10 (Non-refundable travel vouchers must be redeemed within one year of issuance to book future travel. A replacement voucher for an unused balance retains the original conditions rather than creating a fresh validity period.; transferable: partial)
Cancel the standard fare: 0.0/10 (Non-refundable for ordinary voluntary cancellation, rather than automatically exchangeable for a cancellation credit. Unused airport taxes may be refunded; statutory and 24-hour exceptions apply.)
Risk-free window: 7.0/10 (KLM's US customer commitment permits a refund within 24 hours after booking a flight to or from the US on its US website, including paid options purchased with it. That statement does not specify a minimum advance-purchase interval. DOT's minimum legal protection covers direct-airline purchases made at least seven days before departure; it does not automatically cover third-party bookings.)
Same-day change: no data, median 7.0/10 used (No separate US-route same-day confirmed-change or standby product with a published flat fee was verified. KLM permits eligible departure-time changes under the ticket's ordinary change conditions, and requires cancelling check-in first if already checked in. Its explicit earlier/later-flight benefit for Economy Flex appears in the within-Europe section, not the US intercontinental section.)
What Axel saw: does not apply (fewer than 10 attempts). Source: Axel repricing attempts

Refunds and disruptions: 6.6/10

Commitments when the airline causes the problem: 8.0/10 (Covered by: US_DOT_refund_rule, EU261, UK261, Canada_APPR; KLM's U.S. customer commitment promises meal allowances and accommodation at contracted hotels, subject to availability, when a controllable delay, cancellation or missed connection requires an overnight stay away from home or destination. Its passenger-rights notice also describes meals, necessary hotel accommodation and airport transfers, but these largely implement EU legal duties rather than additional benefits. Eligible EU compensation can be taken as cash of EUR 250/400/600 or, voluntarily, a higher-value nonrefundable transportation voucher of EUR 350/500/800, subject to the applicable distance and reduction rules. No general promise of additional cash compensation beyond legal entitlements was identified.)
Refund conduct: 7.0/10 (2024-5 U.S. DOT $1,100,000)
Refund complaints: 3.8/10 (6.15 refund complaints per 100,000 passengers (median for airlines based abroad: 4.39)). Source: DOT complaint cases per 100,000 passengers on flights to and from the US (DOT T-100), April and May 2026; a month with fewer than 5 cases, which DOT does not list, counts as 2

Reliability: 5.2/10

On-time arrival: 5.2/10 (72.91% on time (September 1–30, 2026. Published as KLM Royal Dutch Airlines, not Air France-KLM Group. Cancellation rate published directly; not derived from a completion factor. Monthly fallback because a 2025 full-year figure could not be confirmed.)). Source: OAG monthly on-time performance rankings, September 2026
Cancellations: 5.2/10 (2.65% cancelled (September 1–30, 2026. Published as KLM Royal Dutch Airlines, not Air France-KLM Group. Cancellation rate published directly; not derived from a completion factor. Monthly fallback because a 2025 full-year figure could not be confirmed.)). Source: OAG monthly on-time performance rankings, September 2026

Fees and transparency: 7.5/10

Carry-on in the lowest fare: 10.0/10 (Intercontinental Economy Light includes one cabin bag and one small bag, combined maximum 12 kg, without an additional charge.)
First checked bag: no data, median 6.0/10 used (Economy Light includes no checked bag. KLM's US fee table lists USD 75 for a first checked bag between the US or Canada and Europe when not included. The lowest advance-online USD price could not be verified, so that amount is not entered as the advance-purchase minimum. KLM's extra-baggage page gives a general intercontinental advance-purchase range of EUR 30–240 per piece when bought at least 24 hours before departure, with the actual price shown in My Trip.)
Seat in the lowest fare: 3.0/10 (fee)
Children seated with a parent: 5.0/10 (Economy Light receives a free assigned seat at check-in; choosing or changing the assignment costs extra. Prices depend on the itinerary. KLM assigns family seats free at check-in and promises that children under 12 will sit beside an adult in the same booking. This is not a US-route guarantee covering every child aged 13 or younger: ages 12 and 13 fall outside that published promise. Advance selection of particular family seats can cost extra.)
Price shown is price paid: 10.0/10 (No fee-display findings in 5 years)

Complaints and handling: 3.3/10

Complaint rate: 3.3/10 (23.95 complaints per 100,000 passengers (median for airlines based abroad: 14.73)). Source: DOT complaint cases per 100,000 passengers on flights to and from the US (DOT T-100), April and May 2026; a month with fewer than 5 cases, which DOT does not list, counts as 2
Mishandled bags: does not apply (not reported to DOT). Source: U.S. DOT, April, May, July and August 2026
Mishandled wheelchairs and scooters: does not apply (not reported to DOT). Source: U.S. DOT, April, May, July and August 2026
Bumping: does not apply (not reported to DOT). Source: U.S. DOT, April to June 2026

Loyalty fairness: 4.2/10

Miles expiry: 7.0/10 (Miles generally have a 24-month validity period, extendable through qualifying activity. Flying Blue introduced a unified validity rule from May 4, 2026 for flight- and partner-earned Miles. Its announcement lists expiry protection for Elite and Elite Plus members, Flying Blue Extra subscribers, co-branded credit-card holders and members under 18; applicable membership and card conditions still matter.)
Devaluations: 2.0/10 (2025-01-13: Flying Blue confirmed to One Mile at a Time that higher award prices were intentional. U.S.–Europe one-way starting prices increased from 20,000 to 25,000 Miles in economy, 35,000 to 40,000 in premium economy, and 50,000 to 60,000 in business. No advance notice was identified; the program said the change would support more entry-level award availability.; 2026-08-19: Announced August 19 and effective September 8, Air France/KLM awards were divided into Light, Standard and Flex. The airline-provided U.S.–Europe business example retained a 60,000-Mile Light price but removed changes, refunds and included lounge access; the more comparable Standard award became 75,000 Miles. Airline-provided economy and premium-economy Standard examples were 30,000 and 50,000 Miles, versus Light examples of 25,000 and 40,000. Existing tickets retained their original conditions, and elite exceptions apply.)
Award pricing: 3.0/10 (fully_dynamic)