A boarding pass is your actual "key" to the plane. Most airlines allow you to download this 24 hours before departure after you check in online. Add, use, and share tickets and passes in Apple Wallet
The Ultimate Guide to "Downloading" Your Flight: From Tickets to Offline Maps Download air flight
: Airlines or booking sites like Trip.com typically send a PDF e-ticket immediately after purchase. A boarding pass is your actual "key" to the plane