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How big does a flight change have to be before I can demand a refund?

By QuicklyClaim Editorial Team · Updated 2026-10-04 · Rules checked against the official sources on 2026-09-30

A flight change is significant when departure moves at least 3 hours earlier domestic or 6 hours earlier international, or arrival is at least 3 hours later domestic or 6 hours later international. Other triggers include airport changes, added connections, downgrades, or changed accessibility features. If you decline the alternative, the airline that sold the ticket must refund.

The free official routeYou do not need to pay anyone to get an airline refund. When the airline owes it, the rules require the airline to issue it automatically, without you asking.

Key facts

Significant change: departure moved at least 3 hours earlier domestic or 6 hours earlier international.
Significant change: arrival at least 3 hours later domestic or 6 hours later international.
Other triggers: airport change, added connections, downgrade, or changed accessibility feature.
When you decline the alternative, the airline that sold the ticket must refund the full airfare.
Refund must be prompt: within 7 business days for credit card, 20 calendar days for other payments.

What the rule actually says

The rule sets clear thresholds. A flight counts as significantly delayed or changed when the departure is moved at least 3 hours earlier on a domestic itinerary or 6 hours earlier on an international one. It also counts when arrival is at least 3 hours later domestic or 6 hours later international. Other triggers include when the airport changes, when connections are added, when the passenger is downgraded, or when an accessibility feature a disabled passenger needs is changed. (source: 14 C.F.R. § 260.2)

When a flight is cancelled or significantly delayed and the passenger declines the alternative flight or other compensation offered, the airline that sold the ticket must provide a full and prompt refund of the airfare, including taxes and ancillary fees. (source: 14 C.F.R. § 260.6)

An automatic refund means the airline issues the refund without waiting for the passenger to ask, because the right to a refund is undisputed when the service was not provided. (source: 14 C.F.R. § 260.2)

The steps to take, in order

First, check whether your flight change meets one of the thresholds above. If it does, you can decline the alternative flight or other compensation offered. Next, tell the airline clearly that you decline the alternative and want a full refund of the airfare, including taxes and ancillary fees. You do not need to ask for an automatic refund—the airline must issue it without waiting for you to ask—but you may still need to decline the alternative to trigger the refund. Keep a record of your communication. Then wait for the refund. A prompt refund means within 7 business days for a credit card purchase, and within 20 calendar days for cash, check, debit card or other forms of payment. (source: 14 C.F.R. § 260.2)

What to gather before you start

Before you contact the airline, collect your booking confirmation, ticket number, and any emails or messages about the change. Note the original departure and arrival times and the new ones, so you can show the difference in hours. If the airport changed, or a connection was added, or you were downgraded, or an accessibility feature you need was changed, write down those details too. Keep your payment method details handy, because the refund timeline depends on how you paid: 7 business days for a credit card purchase, and 20 calendar days for cash, check, debit card or other forms of payment. (source: 14 C.F.R. § 260.2) Having this ready makes your request clear and easy for the airline to process.

What goes wrong and how to avoid it

One common problem is accepting the alternative flight or other compensation without realising it may affect your refund right. If you want a refund, decline the alternative clearly and in writing. Another issue is waiting too long: the airline must issue a prompt refund, but you should still follow up if you do not see it within 7 business days for a credit card purchase or 20 calendar days for cash, check, debit card or other forms of payment. (source: 14 C.F.R. § 260.2) Also, do not assume you must pay a service to get your refund. The rules require the airline to issue it automatically when it is owed, without you asking. (source: 14 C.F.R. § 260.2) Keep copies of everything you send and receive.

When it is worth paying someone

You do not need to pay anyone to get an airline refund. When the airline owes it, the rules require the airline to issue it automatically, without you asking. (source: 14 C.F.R. § 260.2) If your flight change meets the thresholds and you decline the alternative, the airline that sold the ticket must provide a full and prompt refund of the airfare, including taxes and ancillary fees. (source: 14 C.F.R. § 260.6) You can handle this yourself by following the steps above.

Frequently asked questions

What counts as a significant flight change?

A flight is significantly changed when departure moves at least 3 hours earlier domestic or 6 hours earlier international, or arrival is at least 3 hours later domestic or 6 hours later international. It also counts if the airport changes, connections are added, you are downgraded, or an accessibility feature you need is changed. (source: 14 C.F.R. § 260.2)

How long should a refund take?

A prompt refund means within 7 business days for a credit card purchase, and within 20 calendar days for cash, check, debit card or other forms of payment. (source: 14 C.F.R. § 260.2)

Do I have to ask for the refund?

No. An automatic refund means the airline issues the refund without waiting for the passenger to ask, because the right to a refund is undisputed when the service was not provided. (source: 14 C.F.R. § 260.2) However, you may need to decline the alternative flight or other compensation offered to trigger the refund.

What if the airline offers a different flight?

You can decline the alternative flight or other compensation offered. If you do, the airline that sold the ticket must provide a full and prompt refund of the airfare, including taxes and ancillary fees. (source: 14 C.F.R. § 260.6)