Airline Refund Rules in the USA: The 2024 DOT Automatic-Refund Rule

What triggers an automatic refund

The DOT rule, which airlines had to follow by 28 October 2024, kicks in when an airline cancels your flight or makes a significant change, and you do not accept the rebooking or a travel credit. When that happens, you are entitled to an automatic refund of the unused part of your ticket, plus any extras you paid for and did not get.

You do not have to argue, fill out a long form, or prove your case. If you reject what the airline offers and ask for your money back, the refund is mandatory. A significant change is defined clearly, so you can check whether your situation qualifies.

• Departure or arrival time moved more than 3 hours for a domestic flight
• Departure or arrival time moved more than 6 hours for an international flight
• A change to your departure airport or your arrival airport
• An added connection or extra stop that was not in your original itinerary
• A downgrade to a lower class of service than you paid for
• A switch to a less-accessible aircraft for a passenger with a disability

Cash, not vouchers

This is the part airlines used to get wrong. Your refund must come back in the original form of payment. If you paid with a credit card, the money goes back to that card. If you paid with a debit card, cash, or a check, it returns the same way.

Airlines can still offer you a voucher or travel credit, and sometimes that is worth more than cash. But they cannot push it on you. You only get a voucher if you actively choose one. If you say nothing or say you want your money, the airline must give you cash.

The refund deadlines: 7 business days or 20 calendar days

The DOT also put deadlines on how fast the money must reach you. If you paid by credit or debit card, the airline has 7 business days to issue the refund. If you paid another way, such as cash or check, the limit is 20 calendar days.

These are limits on the airline issuing the refund, not on how long your bank takes to post it. If you are past the deadline and still see nothing, that is your cue to push harder and, if needed, escalate to the DOT.

Significant change vs. a normal short delay

Here is the honest truth that surprises a lot of US travelers: a short delay triggers nothing under federal rules. The United States has no EU-style law that pays you a fixed cash sum just because your flight ran late. If your flight is delayed two hours and still operates, the DOT refund rule does not apply because the change is not significant.

The refund right only opens up when the airline cancels, or when the schedule shifts past the 3-hour domestic or 6-hour international line, or when one of the other significant-change triggers happens and you decline rebooking. For ordinary delays, your options are whatever the airline promises in its own customer-service commitments, such as meals or hotels, not a federal payout.

Bag-fee and ancillary-fee refunds

Fees for services you paid for but did not receive must be refunded too. If you paid to check a bag and it is delayed, you can get that checked-bag fee back once the bag misses the DOT mishandling window: 12 hours for a domestic flight, or 15 to 30 hours for an international flight depending on the trip length. You do still have to file a mishandled-bag report.

The same logic covers ancillary fees. If you paid for Wi-Fi that did not work, a seat assignment you never got, or in-flight entertainment that was broken, you are owed that money back. These refunds are easy to forget, so check your receipts after any disrupted trip.

The 24-hour booking cancellation rule

Separate from disruptions, the DOT gives you a free cooling-off window when you book. If you reserve a flight at least 7 days before departure, you can cancel within 24 hours of booking and get a full refund, with no change or cancellation fee.

This applies to most tickets bought directly from an airline that flies to, from, or within the United States. It is a great safety net for locking in a fare while you confirm dates or hunt for something better.

How to request a refund and escalate to the DOT

Start with the airline. Contact customer service, clearly state that you are declining rebooking and any voucher, and request a refund to your original payment method. Save your booking number, any cancellation or change emails, and screenshots of the new schedule. Note the date so you can track the 7-business-day or 20-day clock.

If the airline ignores you, offers only a voucher, or blows the deadline, file a complaint with the DOT. Use the official aviation consumer complaint site at transportation.gov, and attach your evidence. The DOT reviews airline conduct and the threat of a federal complaint often unsticks a stalled refund fast. Filing is free and you never need to pay anyone to do it for you.

Because a refund is simply your own money coming back, no-win-no-fee claim services rarely apply to US refunds. But if any leg of your trip departed from Europe or the UK, or arrived in Europe on a European airline, you may also be owed EU261 or UK261 cash compensation on top, which is a different and often larger claim. See our flying-to-Europe guide to check.