MYO — part of Money You are Owed

2026 traveler’s guide

Cancelled vs. Renumbered Flight: When You’re Owed Cash, Not a Voucher

A cancelled flight, or one changed by 3+ hours, a different airport, an added layover, or a downgrade, entitles you to your money back in cash under a federal rule the airline can’t opt you out of by staying quiet. A flight that’s merely renumbered, same plane, same schedule, on time, is a narrower case the Department of Transportation currently isn’t enforcing a refund requirement against. Airlines know the difference. Here’s how to tell it apart yourself.

Last fact-checked: July 20, 2026

What you’re owed, by scenario
Scenario What the rule requires Cash or voucher?
Flight cancelled outright, any reason Full refund of airfare, taxes, and ancillary fees if you decline any rebooking or compensation offered. Automatic if no alternative is offered at all. Cash (original form of payment, unless you agree otherwise)
Significantly changed: 3+ hrs domestic (6+ hrs intl), different airport, added connection, or downgrade Same full-refund right as a cancellation, if you decline the changed flight and any compensation offered. Cash
Merely renumbered: same plane, same schedule, on time, nothing else changed Falls inside a DOT enforcement pause through July 7, 2027. DOT isn’t currently enforcing a refund requirement for this exact narrow case. Neither guaranteed under current enforcement, unless another row above also applies

What actually counts as “cancelled”

Under the Department of Transportation’s own definition, a cancelled flight is simple to pin down: it’s a specific flight number, between a specific origin and destination, that was published in the airline’s reservation system when you bought your ticket, and then just didn’t operate. Source: 14 CFR § 260.2

Notice what the definition doesn’t require: it doesn’t matter why the flight didn’t operate. Weather, a mechanical issue, a crew shortage, a commercial decision to consolidate routes, it’s all the same flight-didn’t-happen fact. The reason affects things like meal vouchers or hotel accommodation under some carriers’ own policies. It does not change your right to a refund if you don’t want the alternative the airline offers instead.

What counts as a “significant change”

A flight doesn’t have to be cancelled for you to have the same refund right. If the airline significantly changes your itinerary and you don’t want the new version, you’re in exactly the same position as someone whose flight was outright cancelled. DOT’s rule spells out seven ways a change counts as “significant”: Source: 14 CFR § 260.2

The seven triggers for a “significant change”
Trigger The threshold
Early departure 3+ hours earlier (domestic) or 6+ hours earlier (international) than originally scheduled
Late arrival 3+ hours later (domestic) or 6+ hours later (international) than originally scheduled
Different airport A new origination or destination airport, at either end of the trip
Added connection More connection points than your original itinerary had
Downgrade Moved to a lower class of service than you booked
Different connecting airport (disability accommodation) A change to a different connecting airport when you have a disability and the original connecting airport was chosen for accessibility
Aircraft downgrade (disability accommodation) Substitution of an aircraft that lacks accessibility features you need due to a disability

Any single one of these is enough on its own. A flight that departs 3 hours and 5 minutes earlier than booked, with everything else identical, still clears the bar. Source: 14 CFR § 260.2

The renumbering trick, and DOT’s one-year pause

Here’s the wrinkle that gives this guide its title. Airlines occasionally reissue a disrupted flight under a new flight number, same route, same rough timing, while arguing it isn’t technically a “cancellation” at all, just a renumbering. If regulators treated every renumbering as automatically refund-exempt, it would hand carriers an easy way to dodge the rules above on paper while doing the exact same thing to passengers in practice.

DOT has recognized the risk of that loophole, but its most recent action, published in the Federal Register on July 7, 2026, extended a one-year pause on enforcing a refund requirement specifically for the narrowest version of renumbering: the exact same aircraft, on the exact same schedule, arriving on time, just relabeled with a different flight number. Source: Federal Register, July 7, 2026

That pause runs for one year from its publication date, expiring July 7, 2027. Source: Federal Register, July 7, 2026

What the pause does not cover

This is the part worth reading twice. The pause covers only the case where the passenger flies the same plane, on the same schedule, and arrives on time, nothing else has changed. The instant the renumbered flight also departs 3+ hours later, lands at a different airport, adds a connection, or downgrades your seat, you’re back in the “significant change” column above, and the refund requirement applies in full, renumbering or not. Source: Federal Register, July 7, 2026

In plain terms: a genuine cancellation stays a genuine cancellation no matter what flight number appears on your new boarding pass. The only thing the pause actually shields is the paperwork-only relabeling where your trip, in every practical sense, didn’t change at all.

Cash, not vouchers: how the rule actually works

When you decline a significantly changed flight, decline rebooking on an alternative flight, and decline any voucher, credit, or other compensation the airline offers instead, the carrier that’s the merchant of record must give you a full and prompt refund of the airfare, including taxes and ancillary fees. Source: 14 CFR § 260.6(a)

The rule also closes the door on the trick of assuming your silence means yes. A carrier can offer a voucher or credit only as an explicit alternative to a refund, and it must clearly disclose your right to the full refund at the same time it makes that offer. Critically, it cannot treat your silence, or a lack of response, as acceptance of the voucher. You have to affirmatively agree before a voucher can replace cash. Source: 14 CFR § 260.7

And when a refund is due, it has to arrive in your original form of payment, cash, credit card, debit card, or check, whichever you used to pay, unless you separately agree to a cash-equivalent alternative. Carriers aren’t allowed to keep a processing fee out of a refund you’re owed. Source: 14 CFR § 260.10

When the refund has to be automatic, no request required
Situation Refund trigger
Flight cancelled, no alternative offered Airline offers you no alternative flight, voucher, credit, or compensation at all → automatic refund
You reject what’s offered You reject the alternative flight or the voucher/credit/compensation → automatic refund
You don’t respond You don’t respond to the offer, and the flight departs without you → automatic refund

Source: 14 CFR § 260.6(a)(2)

How fast you’re supposed to get paid

DOT’s definition of a “prompt refund” sets a clock: 7 business days if you paid by credit card, or 20 calendar days for cash, check, debit card, or other payment methods. Source: 14 CFR § 260.2

If those windows pass and nothing has landed back in your account, that’s your cue to escalate, not to keep waiting politely. The step-by-step section below covers exactly where to take it next.

Checklist: is your flight refund-eligible?

Run your situation through this list. Any single “yes” puts you in refund territory:

  • Your flight was cancelled outright, whatever the stated reason.
  • Your new departure or arrival time shifted by 3+ hours (domestic) or 6+ hours (international).
  • You were rebooked through a different origination or destination airport.
  • Your new itinerary has more connections than your original one.
  • You were downgraded to a lower class of service than you paid for.
  • You declined the alternative flight or the voucher/credit the airline offered, or the airline never offered anything at all.

If none of those apply, and your flight really did fly the same plane, on the same schedule, and land on time under a different flight number, you’re in the narrow renumbering case DOT currently isn’t enforcing a refund requirement against.

How to actually claim it, step by step

  1. Compare your original confirmation to what actually happened. Pull up your original booking email and your final itinerary or boarding pass. Note the flight numbers, scheduled times, and airports on both.
  2. Check it against the checklist above. A 3+ hour shift, a different airport, an extra connection, or a downgrade all qualify on their own.
  3. If you’re offered a voucher, decline it in writing if you want cash. Say explicitly that you do not accept the voucher/credit and are requesting a refund under 14 CFR 260.6. Keep a copy or screenshot of your response.
  4. Watch the clock. 7 business days for a credit card refund, 20 calendar days for other payment methods, counted from when the refund became due.
  5. If the window passes with nothing, escalate. Contact the airline directly first, in writing, citing the specific rule and dates. If that doesn’t resolve it, file a complaint with DOT’s Aviation Consumer Protection division.

Don’t assume “processing” means it’s coming

A vague “your refund is processing” message from an airline chatbot isn’t the same as money back in your original payment method within the 7-day/20-day windows above. If you paid by credit card, your statement (not a promise) is the proof that matters.

Frequently asked questions

Can the airline give me a travel voucher instead of a cash refund?

Only if you agree to it. A carrier may offer a voucher, credit, or other compensation as an alternative to a refund, but it must clearly disclose your right to a full refund, and it cannot treat your silence as acceptance. If you decline or simply don’t respond by the date the flight was scheduled to depart, you’re owed a refund in your original form of payment, not a voucher.

What if my flight was just “renumbered” but nothing else changed?

That narrow scenario, exact same plane, same schedule, arriving on time, just under a different flight number, currently sits inside a DOT enforcement pause extended through July 7, 2027. DOT isn’t actively enforcing a refund requirement for that specific case. But the moment anything else changes (a 3+ hour shift, a different airport, an added connection, a downgrade), you’re back in refund-eligible territory regardless of the pause.

What exactly counts as a “significant change” that triggers a refund?

Departing 3 or more hours early (domestic) or 6 or more hours early (international) than scheduled; arriving 3 or more hours late (domestic) or 6 or more hours late (international); a different origination or destination airport; more connection points than your original itinerary; a downgrade to a lower class of service; or, if you have a disability, a change to a different connecting airport or substitution of an aircraft lacking accessibility features you need. Any one of these qualifies on its own.

How fast am I supposed to get my refund?

Within 7 business days if you paid by credit card, or within 20 calendar days for cash, check, debit card, or other payment methods, counted from the date the refund was owed. Carriers aren’t allowed to keep a processing fee out of a refund that's due.

Do I have to request the refund myself, or is it automatic?

It depends on what happens next. If your flight is cancelled and the airline doesn’t offer you any alternative flight or compensation at all, the refund must be issued automatically. The same is true if you reject an offered alternative or compensation, or if you simply don’t respond and the flight departs without you. In every one of those cases, you shouldn't have to ask twice.

Does the 3-hour rule apply to international flights too?

International itineraries get a longer window: 6 or more hours of schedule change, rather than 3, before it counts as a significant change. Everything else, the different-airport rule, the added-connection rule, and the downgrade rule, applies the same way to both domestic and international itineraries.

What if I already accepted a voucher and want cash instead?

The rule protects you going forward: a carrier cannot treat your silence as acceptance of a voucher, and it must get your affirmative agreement before substituting one for a refund. If you already signed something accepting a voucher, that's a different situation, review what you agreed to and contact the airline directly; this guide covers the refund right itself, not how to unwind an accepted offer.

Is any of this covered in your free cheat-sheet?

Yes. The free Airline Refund Cheat-Sheet walks through what airlines owe you for delays, cancellations, and baggage issues, the exact DOT-mandated amounts, and how to file a claim (forms, phone scripts, email templates), built from the same official sources cited in this guide.

Sources