Airline flight credits are issued when you cancel a nonrefundable ticket or when an airline cancels your flight and offers a voucher instead of a cash refund. Most credits expire within 12 months. Here is exactly how to find and apply yours at every major airline.
The same-day change path at a glance — the same booking flow you follow to redeem a flight credit toward a new ticket.
How to use flight credits by airline
Delta eCredit
Find it: fly.delta.com → My Trips → Payment → eCredits, or check your email for a credit number
Apply it: When booking, select "Use a certificate, credit, or electronic travel certificate" at checkout
Expires: 12 months from original ticket date (not from when you canceled)
Key rule: eCredits can be used for any Delta flight, any passenger (transferable with some restrictions)
Tip: eCredits appear in your SkyMiles account if you were logged in when the ticket was issued
United Flight Credit / Future Flight Credit
Find it: united.com → My Account → Certificates & Credits
Apply it: At checkout, select "Pay with certificate / FFC" and enter the credit number
Expires: 12 months from original ticket date
Key rule: Future Flight Credit (FFC) is non-transferable — must be used by the same traveler. Travel credit from airline-initiated changes has no expiry restriction.
American Airlines Trip Credit / AAdvantage Credit
Find it: aa.com → Your Account → Gift cards & credits
Apply it: At checkout, choose "Trip credit" as payment method and enter code
Expires: 12 months from original ticket date
Key rule: Trip credits are non-transferable — original passenger only. eVouchers from customer service may have different terms.
Southwest Travel Fund
Find it: southwest.com → My Account → My Travel Funds
Apply it: At checkout, select "Travel funds" and enter the confirmation number from the original booking
Expires: 12 months from the original purchase date
Key rule: Travel funds are tied to the passenger named on the original ticket.
Tip: Business Select and Anytime fares are refunded to the original payment method — not issued as a travel fund
JetBlue Travel Bank Credit
Find it: jetblue.com → TrueBlue account → Travel Bank
Apply it: At checkout, the credit applies automatically if you are logged in
Expires: 12 months from issue date
Key rule: Travel Bank credits are non-transferable
Alaska Credit Certificate
Find it: alaskaair.com → Your Account → Credits
Apply it: At checkout, select "Use a credit" and enter the certificate number
Expires: 12 months from issue date
Key rule: Non-transferable; some credits (from Saver fares) may have restrictions
Frontier / Allegiant Voucher
Find it: Credits are issued as vouchers via email after cancellation
Apply it: At checkout, enter the voucher code from your email
Expires: Typically 90 days (Frontier) to 12 months (Allegiant) — check the email for the exact date
Key rule: Terms vary by fare class and any add-on purchased at booking. Always check the expiry date in the voucher email before assuming it is still valid.
What if your credit expired?
Call the airline — agents have discretion to extend credits, especially for documented hardship or COVID-related issues
Write to customer relations — a polite email including the original booking reference and reason for the delay can prompt a manual extension
Some credit cards (Chase Sapphire, Amex Platinum) carry trip cancellation coverage that may reimburse a lost credit — check your card benefits before writing it off
Per 2024 DOT rules, airlines must notify passengers before credits expire — if you received no notice, flag this when calling the airline
Credit vs cash refund — which to request
If the airline canceled your flight: per the 2026 DOT rule, you can request a cash refund instead of a credit. Always request cash if you are not sure when you will fly again.
If you canceled: you are generally entitled to a credit only — unless you purchased a refundable ticket.
Frequently asked questions
Can I transfer my flight credit to someone else?
Most airlines do not allow transfers — the credit must be used by the original passenger. Southwest Travel Funds can sometimes be transferred; Delta eCredits have more flexibility.
What happens to my credit if the airline changes ownership or goes bankrupt?
Credits may be worthless if the airline goes bankrupt without continuing operations. Prioritize using credits quickly for financially stressed carriers.
Can I use a flight credit to pay for checked bags or upgrades?
Generally no — flight credits apply to the base fare and sometimes taxes and fees, not ancillary purchases. Check each airline's terms.
My credit is not showing in my account — what do I do?
Call the airline with your original booking confirmation number. Credits sometimes need to be manually associated with your account, especially if you were not logged in when you booked.
The fastest way to avoid losing a flight credit is to catch your original flight. Your Leave-By Timecounts backward from your departure using today's live TSA wait, your drive time, and the walk to your gate — so you arrive with room to breathe.