DOT Refund Rule 2024: What Counts as a Significant Change to Your Flight

In 2024, the DOT finalized a rule requiring airlines to automatically offer cash refunds when a flight is canceled or significantly changed. Before this rule, airlines could offer vouchers or travel credits as a substitute for cash, often making it difficult for passengers to get their money back.

The key shift: Airlines must now proactively offer cash refunds without passengers having to ask. If you are owed a refund under the rule, the airline must offer it automatically.

The rule is codified under 14 CFR Part 259. For the full text and related enforcement guidance, see the DOT Air Consumer Division. For an overview of US passenger rights, see the US passenger rights guide.

For domestic US flights, a significant change that triggers the cash refund requirement includes:

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  Departure or arrival delayed by 3 or more hours from the scheduled time

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  Departure or arrival airport changed to a different airport

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  Number of connections increased (e.g., nonstop becomes one-stop)

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  Passenger downgraded to a lower class of service

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  Connection airport changed to a different airport

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  Flight operated on a different plane with accessibility features that do not meet the passenger's needs

If any of these changes apply to your domestic flight, the airline must offer you a full cash refund, not just a voucher or credit.

For international flights to or from the United States, the delay threshold is higher before the refund requirement is triggered:

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  Departure or arrival delayed by 6 or more hours from the scheduled time

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  Departure or arrival airport changed

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  Number of connections increased

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  Passenger downgraded to a lower class of service

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  Connection airport changed

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  Accessibility accommodations not met on the replacement aircraft

The 6-hour threshold for international flights reflects the longer nature of international travel, where a 6-hour delay has proportionally different impact than on a 2-hour domestic route.

When a significant change occurs, the airline must offer you a cash refund. You also have the option to accept a travel voucher or credit if you prefer, but this must be your voluntary choice. The airline cannot present only a voucher option without also offering cash.

Your right: If the airline offers only a voucher or credit for a qualifying significant change, you can decline and demand a cash refund. This is a legal right under 14 CFR Part 259.

For more on distinguishing credit from cash refunds, see airline credit vs cash refund rights.

Once you request and are entitled to a cash refund, the airline must process it within specific timeframes:

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  Credit card payments: 7 business days from the date you requested the refund

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  Other payment methods (cash, check, debit): 20 calendar days from the request date

If the airline has not issued your refund within these windows, it is in violation of the rule. See DOT refund timelines for the full breakdown.

The refund requirement applies to changes made by the airline, not to changes you request. If you voluntarily change your own flight, the applicable rules are the ticket's fare conditions (which may involve change fees, fare differences, or non-refundable status).

The rule also does not override fare rules for flights that operated as scheduled. If your flight departed and arrived on time, no significant change has occurred and the refund rule does not apply.

For situations where EU261 may also apply (European legs of international trips), see the EU261 rights guide and posts on specific routes such as New York to Paris Air France EU261 rights.

If your flight experienced a significant change and the airline has not offered a refund:

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   Document the change: screenshot the new itinerary showing the delay or modification

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   Contact the airline directly to request a cash refund, citing the specific change

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   If the airline refuses or offers only a voucher, file a DOT complaint

4. 4

   Alternatively, use TravelStacks to file a DOT refund claim for $19

TravelStacks handles DOT refund claims end-to-end for a $19 flat fee, preparing and filing the documentation needed to recover your refund. For an overview of all DOT consumer protections, see the US passenger rights guide.