The rule
If your flight is disrupted by an FAA ground stop, a weather event, or any other mass cancellation — do not cancel your flight yourself. Wait for the airline to cancel it.
This sounds counterintuitive. You can see the delay is going to be hours. You want to get ahead of it and rebook. But the moment you cancel before the airline does, you change your legal standing.
Why it matters
Under DOT rules effective October 28, 2024, airlines must issue automatic cash refunds for cancelled flights. The key word is "cancelled" — meaning the airline cancelled it, not you.
When the airline cancels:
- You get a full cash refund to your original payment method
- Within 7 business days (credit card) or 20 business days (other payment)
- No questions asked. No voucher. No credit. Cash.
When you cancel first:
- The airline treats it as a voluntary cancellation
- You may receive only a travel credit, not a cash refund
- The credit may have restrictions — expiration dates, fare differences, booking fees
The difference can be hundreds or thousands of dollars.
The 3-hour rule
You don't have to wait for a full cancellation. The DOT's automatic refund rule also covers significant delays:
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- Domestic flights: Delayed 3 or more hours from original schedule
- International flights: Delayed 6 or more hours
If your flight hits these thresholds, you can choose not to fly and receive a full cash refund — even if the airline hasn't officially cancelled. But the airline has to be the one that made the flight late. You choosing to leave early doesn't count.
What "automatic" actually means
The 2024 rule says refunds must be automatic. In practice, it varies. Some airlines process them within days. Others require you to call or submit a form. If your airline doesn't refund automatically:
1. Call or use the airline's website to request a refund (not a credit, not a voucher — be specific)
2. If the airline refuses or offers only a credit, file a complaint with the DOT at transportation.gov
3. The DOT has been actively enforcing this rule. Airlines that violate it face fines.
What to do while you wait
While the airline figures out what to do with your flight:
- Do not leave the airport unless you're sure your flight won't operate tonight
- Open the airline app and start browsing rebooking options — you can see alternatives before the airline officially cancels
- Call the airline while standing in the rebooking line — the phone queue and the counter line move independently, and the app may be fastest of all
- Ask about endorsement to another airline — say: "Can you endorse my ticket to [partner airline]?" This puts you on another carrier's next available flight. Most travelers don't know this exists.
- Screenshot your original booking — you'll want proof of your original itinerary, fare, and schedule
The exception
If you booked a fully refundable ticket, you can cancel at any time for a full refund regardless. This only applies to refundable fares, which are typically business class or full-fare economy tickets. Basic economy and most discount fares are not refundable unless the airline cancels.
The bottom line
Airlines know that many passengers will panic and cancel their own tickets during a disruption. That shifts the financial obligation from the airline (mandatory cash refund) to the passenger (voluntary credit). The system is designed this way.
Your job is simple: don't cancel. Wait. Let the airline make the call. Then exercise your legal right to a cash refund.
For a full breakdown of your rights by situation, see our passenger rights guide. If you need to file a complaint, the disruption desk walks you through it.