How to link reservations on American Airlines?

Naplan Papers26 Sep, 2024News

When can I check in for my American Airlines flight? Check-in times. You can check in online or from the app starting 24 hours before and up to 45 minutes before your flight (90 for international). To check bags or check in at the airport, you must be there a certain amount of time before scheduled departure: Within the U.S. ? 45 minutes.