Missed Your Flight? What to Do Next (2026)

Miss your flight and the seat you lost is rarely the expensive part. The rest of the ticket is.

On most major US carriers, not showing up can cancel the flights you have not taken yet, the return included, and the value you paid can go to zero.

What separates a bad morning from a dead ticket is usually one thing: whether the airline heard from you before the plane pushed back.

What happens when you miss your flight?

There are two versions of this, and they end very differently.

In the first, you know you are running late and you still reach the airline before your flight departs. In the second, the flight has already gone and you are now a no-show.

A no-show, in airline terms, means you did not travel on a flight you still held a reservation for, and you did not change or cancel it beforehand. Nearly every consequence in this article flows from that one status.

So the deadline that matters is the one for check-in and boarding, which sits well before the departure time printed on your boarding pass.

One case sits outside all of this. If you missed a connection because the airline delayed you, that is the airline's disruption to fix, and a different set of rules applies to rebooking and refunds.

Can a no-show cancel the rest of your itinerary?

On the carriers that publish the rule, yes. This is the part travelers are most often surprised by.

Delta's contract of carriage, revised August 18, 2026, states that if you fail to appear without changing or cancelling first, "Delta may cancel your reservation for all remaining flights in your itinerary." It adds that, except where law requires otherwise, the ticket has no remaining value.

JetBlue's contract of carriage, revised June 1, 2026, describes the same outcome in its own terms: on a round trip or multi-segment reservation, failing to honor the first portion leads JetBlue to cancel the return or continuing portion without notification, and the remaining fare is forfeited.

The common thread is that your booking is treated as one ticket rather than a set of independent flights. Miss the first piece of it and the rest is exposed.

Policies change, and yours may carry fare-specific terms, so confirm the current rule with your airline before you rely on any row above.

Is the "flat tire rule" real?

You will see it everywhere: arrive within about two hours of the departure you missed and the airline puts you on the next flight at no charge.

It is a real convention among agents. It is not a published rule.

We read three current contracts of carriage for this piece, Delta's, JetBlue's and Sun Country's, and searched each one. None of them contains a flat tire provision of any kind.

Travel outlets describe it the same way. A Travel + Leisure piece published September 2, 2026 calls it a courtesy that is rarely, if ever, printed in official terms and is extended case by case, and notes that a phone call is usually not enough because the conversation happens in person.

The corporate travel platform Navan defines it the same way in a June 2026 glossary entry: an unofficial, discretionary policy that is not codified in any airline's contract of carriage. It also notes that some carriers work to a much narrower window for first contact.

That is also why the before-departure call matters so much. It is the one part of this you control.

What does a missed flight leave you with?

It depends almost entirely on whether you cancelled before the flight left, and on which fare you bought.

Southwest's no-show policy sets that line at 10 minutes before the original scheduled departure time. Cancel inside it and the outcome depends on the fare.

As of September 2026, Southwest states that Basic and Choice funds are forfeited, while Choice Preferred and Choice Extra come back as Transferable Flight Credit. On Basic and Choice award bookings, the points and the taxes and fees are forfeited too.

American is blunt in its own credit terms: if you do not show for your flight, the ticket is no longer valid or eligible for any credit, and Trip Credit requires that the original ticket be cancelled before the first flight departs.

• United: the value is forfeited on a no-show. Cancelling first converts a Basic Economy ticket into a Future Flight Credit worth the original price minus the cancellation fee, per united.com as of August 2026.
• Delta: no remaining value after a failure to appear. Cancelling first produces an eCredit, minus the cancellation fee on Main Basic fares.
• JetBlue: cancel before departure and the remaining value returns as travel credit, minus the fee your fare carries. Miss it and the fare is forfeited.
• Alaska: a Saver no-show cancels the itinerary and forfeits the fare. Cancelling 14 or more days out returns credit for 50% of the fare and all of the taxes.

If you do end up with credit, the expiry clocks differ sharply by airline. Our guide to airline flight credit expiration rules lays them out, and what you can still change on a nonrefundable flight covers the voluntary side in detail.

One line worth keeping separate: none of this is the same as the federal refund rule. That rule covers cancellations and significant changes made by the airline, which we cover in your refund rights when an airline cancels.

Can you fly standby on a later flight?

Usually not in the way people expect, because standby was built for the opposite problem.

Standby lists you for a different flight while you still hold a confirmed seat on a later one. Delta's contract describes exactly that, and it excludes basic economy from standby entirely.

JetBlue's contract works the same way: on non-refundable fares, standby applies to the flight immediately preceding your original departure, for the service fee your fare carries.

That distinction is why a missed departure so often becomes a conversation about rebooking rather than standby.

For the mechanics of getting on a list and clearing it, our guide to flying standby goes deeper, and same-day flight changes and standby by airline has the current fee matrix for all six carriers.

Whatever you end up rebooking, it is a new cash fare, and new cash fares keep moving after you buy them. On tickets booked directly with Alaska, American, Delta, JetBlue or United, once you add your trip, Autopilot tracks the fare and reprices the reservation when it drops, and the savings come back as airline credit or a refund.

What should you do in the next hour?

The order matters more than the speed. Everything above points to the same first move.

1. 1

   Contact the airline before the flight departs, if there is any time left

   This is the single action that protects the value of the ticket and the legs you have not flown. Every carrier above treats a change or cancellation made before departure differently from a no-show.
2. 2

   If it has already departed, go to the airline in person

   Ticket counters and gate agents handle this daily, and travel outlets consistently report that these conversations go better face to face than by phone.
3. 3

   Ask about the rest of the itinerary first, not just the next flight

   Confirm whether your connection and your return are still ticketed. That is the part most likely to have changed while you were in traffic.
4. 4

   Ask what a later flight actually costs on your fare

   Depending on the carrier and the fare, the answer ranges from nothing to the fare difference. Your fare rules, not the situation, decide it.
5. 5

   If you are rebooked, check what happened to your bag

   A checked bag and its passenger are handled separately, and the airline is the only source of truth on where yours is. Ask before you leave the counter.

None of this makes a missed flight cheap. It does keep a missed flight from quietly becoming a missed trip.

And once you are rebooked and moving again, the fare on the ticket you now hold behaves like any other: it keeps changing right up until departure.