Check In. Learn more about these requirements. Check in - Your trips - American Airlines Check in 24 hours before your flight Check in beginning 24 hours and up to 45 minutes before your flight 90 minutes for international.
Use the Web site to check in and print your paper boarding pass es to bring to the airport or. It means to register upon arrival. To see if you qualify for check-in at this time.
You can print your boarding pass or get an eBoarding Pass on your mobile device.
Up to 24 hours before departure you can check in on your desktop computer. How to use check-in in a sentence. Check in at least one hour prior to your scheduled departure time. Just like online check-in purchase First Class upgrades change your seat assignment and print travel receipts.