How to Rebook a Missed Flight

The security line crawled, you reached the gate four minutes after the door closed, and tomorrow's 9 a.m. client pitch in Denver now depends on a flight you're not on. You may have to pay $300 for a walk-up fare, or the airline may let you take the next departure for free.

Four factors decide which one you get: fault, the flat-tire favor, your change fee and your return leg. Check them in that order and you'll know your real cost before you reach the counter, not after.

What Happens the Moment You Miss Your Flight

If a mechanical or crew-caused delay on an earlier leg made you miss your flight, that's a controllable disruption. Alaska, American, Delta, JetBlue, Southwest and United commit to free same-airline rebooking after a significant delay, plus a meal voucher when the delay is 3 hours or more.

A miss you caused, like traffic or a slow TSA line, switches those obligations off. If you're on a non-refundable ticket and show up late, you aren't owed a refund when the flight operates as scheduled. Most carriers forfeit the fare unless you change or cancel before departure. Delta's ticket forfeiture update extended that rule to every ticket on October 8, 2025.

Will You Pay to Rebook?

Your airline and your fare set the baseline cost, and acting before departure can bring it to zero. Status waives some fees, and your return leg can be at stake too.

The Flat-Tire Favor and Free Standby

No major US airline publishes a flat-tire rule in its contract of carriage, so relief after a miss is the agent's call. American comes closest, informally offering free standby on its next flight if you arrive within two hours of posted departure. Southwest lets you stand by if you reach a ticket desk within two hours of the missed departure. United has no set flat-tire policy, so aim for a counter within 30 minutes of posted departure; a window of up to two hours isn't guaranteed.

Earlier contact puts you under the standard standby rules. American's $0 standby opens 24 hours out in the app; at the airport, ask 45 minutes ahead. Delta's free standby covers only earlier flights and never Basic fares, so it can't move you later after a miss. Southwest standby is free except on Basic fares without A-List.

Same-Day Change Fees Vary by Airline

American's same-day change fee starts at $60, waived for Executive Platinum and Platinum Pro. Delta charges $75 (waived for Gold, Platinum and Diamond), and United charges up to $75 depending on status. Southwest charges nothing on Choice fares; most carriers expect the change before the original departure. Against American's $463 same-day fare for a one-way in September 2026, a $60 change fee is the cheaper path, before any fare difference. When the 9 a.m. Denver pitch can't move, a confirmed seat for a $60 fee beats a standby list that may not clear.

Expensing the Rebooking Fee

If the airline caused the miss, rebooking is typically free under the airline's commitment, so there's nothing to expense. Many policies reimburse change fees for a documented business need but not avoidable ones, and running late usually counts as avoidable. Attach the receipt and check how your policy treats avoidable fees before you pay; a walk-up replacement ticket faces the same test.

Your Return Leg Is at Risk Too

Delta's contract of carriage says it "may cancel your reservation for all remaining flights in your itinerary"; JetBlue and Southwest (Basic and Choice) cancel every remaining segment. Changing or canceling before departure (at least 10 minutes out on Southwest) usually preserves your return or the ticket's value.

Steps to Rebook Fast

Do these before you join any line.

• Open the airline's app first with your confirmation code ready; United takes standby requests there.
• If the app can't do it, call or message the airline before departure, even from the security line; Southwest's deadline is 10 minutes out.
• Ask for free standby before paying a change fee, and get the fee quoted before buying a walk-up ticket.
• If you're fixing a colleague's missed flight, get their confirmation code and contact the airline before departure on their behalf.

Before departure, the free and cheap options stay open. After that, you're asking for a favor.

Why Self-Booking Travelers Lose the Most Time Here

With no agency behind the booking, you handle every call and re-entry yourself. Hotel fixes also land on you. Calling reservations can mean a long hold while you're trying to get on the next flight, and each new agent or channel asks for your confirmation code, names and routing again. Nobody updates the hotel or rental car when the first leg changes.

Otto the Agent replaces that scramble with one request. It's free, with no contracts, no agent-assist fees, and no minimum spend. For trips it booked, it proposes new hotel dates and rental car pickup times where allowed. If your calendar is connected, it also flags new conflicts there, and waits for your approval before changing anything. You keep prepping instead of making four separate calls.

Getting Back on Schedule Without the Phone Call

Message Otto before you miss the flight, not after, and you skip the hold queue entirely. Stuck in traffic, or in a meeting running long? For a flight Otto booked, say "Move my flight to the next one" before you check in, and it presents options for you to approve. It helps most when you see the miss coming, since it still needs your go-ahead before it touches the booking.

It works in web, iOS and Android apps, and MCP-enabled experiences, plus Slack and Microsoft Teams. It weighs each option against cost and your travel policy, and against your calendar too if that's connected, before showing the ones worth taking. Travelers finish the booking directly in the same conversation they started it. Otto also stores the receipt as an expense-ready PDF, so you have fewer booking and expense tasks to finish.

Once you've checked in, that window closes. The airline takes over from there and handles changes to your booking under its own fare rules, change fees included, which is exactly why the move is to message Otto before you're checked in for the flight you're about to miss.

Beat the No-Show Clock on a Missed Flight

A missed flight only costs you money when you let the clock decide instead of you. Fault, the flat-tire favor, your change fee and your return leg all move in your favor the moment you're talking to the airline, and all move against you once the plane pushes back.

Otto is free, doesn't charge agent-assist fees, requires no contract and sets no minimum spend. On a trip it booked, one message before check-in brings back options to choose from without a hold queue. When the airline causes the delay or cancellation, that same automatic flight rebooking puts options in front of you to approve.

Message Otto to rebook a missed flight without a hold queue.

Frequently Asked Questions

What happens to my checked bag if I miss my flight?

Your bag gets pulled before the flight closes out, since airlines won't fly a bag without its passenger. If you're rebooked onto a later flight, tell the agent so the bag gets loaded onto that one instead of sitting in the airport's holding area. Skip that step and you may have to track it down yourself once you've rebooked.

Does it matter if I booked through a travel site instead of directly with the airline?

Yes. The airline can see your reservation, but a third-party booking site holds the ticketing record, so the airline often can't rebook you or waive a fee without the site's involvement. Call the booking site first, then the airline only if the site can't get you on a new flight fast enough.

Can I get a refund if I miss a flight that wasn't my fault?

If the airline canceled or significantly delayed you and you decline rebooking, the airline owes you a refund even on a non-refundable ticket. If the miss was your own fault instead, insurance rarely helps. Card trip-delay benefits and most travel insurers exclude misses caused by traffic, oversleeping or security lines, though some plans cover a police-documented traffic accident.

How can I rebook a missed flight without waiting on hold with the airline?

Message Otto on a trip it booked, and it skips the queue by presenting rebooking options for you to approve instead of putting you on hold. If it can't complete the option you pick, it connects you with 24/7 human agents who already have your trip details, so you don't repeat your confirmation code.