Checking in for an American Airlines flight is simple and can be done in several ways. The easiest and most popular method is online check-in, which opens 24 hours before the scheduled departure time. You can check in on the American Airlines website or through their mobile app. During online check-in, you can select or change your seat, confirm your flight details, and obtain a digital boarding pass that can be saved on your phone or printed at home. For passengers who prefer or need to check in at the airport, American Airlines has staffed check-in counters that usually open three hours before departure and close 45 minutes to one hour before the flight, depending on the airport and destination. It is advisable to arrive at the airport early to allow enough time for check-in, baggage drop-off, security screening, and boarding. Additionally, American Airlines offers self-service kiosks at many airports, which become available 24 hours before departure and allow passengers to check in quickly, print boarding passes, and print bag tags if needed. Passengers with special needs, traveling with infants, or carrying oversized baggage may need to use staffed counters. Regardless of the method chosen, it’s important to complete check-in before the airline’s cut-off time to avoid missing your flight. Following these options ensures a smooth start to your American Airlines journey.