If the boarding pass itself is unavailable, airlines can provide an official document confirming you were on the flight. Retrieving old boarding passes?
Log into the airline’s website and navigate to My Trips or Past Reservations . While the actual QR code may be gone, you can often download a receipt or "flight details" that serves as proof of travel.
Some airlines like ANA allow you to view reservations for up to 11 days after travel, while others remove them immediately. 3. Request a "Certificate of Travel"
The easiest way to retrieve a pass is to find where your phone or email may have automatically stored it.
Search your inbox for terms like "boarding pass," "check-in," "e-ticket," or the specific flight number. Most airlines send a PDF or a link to a mobile pass during the web check-in process.
If you are a member of the airline's frequent flyer program, you can often find your travel history in your account.
Whether you need it for a work reimbursement, tax records, or just as a travel souvenir, finding an old boarding pass after you've landed can be tricky. Most airlines deactivate active boarding passes 24 to 48 hours after a flight.
Open the app and check the Archived Passes section. If you saved it there before your trip, it should still be accessible. 2. Use the Airline’s Website or App