Checking in for an American Airlines flight is a straightforward process that begins 24 hours before your scheduled departure. The airline offers several convenient options for check-in, including online check-in, mobile app check-in, airport kiosks, and ticket counters. The most efficient method is online check-in, available through the official American Airlines website. To begin, passengers can visit aa.com and enter their booking reference along with their last name. This allows access to the reservation where they can select seats, add checked baggage, and obtain their boarding pass. The American Airlines mobile app offers the same features, with added convenience like mobile boarding passes, flight alerts, gate updates, and quick access to travel documents. If you’re traveling with only carry-on luggage, checking in online or via the app saves time and allows you to go straight to security upon arrival at the airport. For those needing to check bags, bag drop counters are available at most airports, and they typically close 45 minutes before domestic flights and 60 minutes before international departures. If you prefer or require in-person assistance, airport self-service kiosks and staffed check-in counters are available. Self-service kiosks allow passengers to print boarding passes and baggage tags quickly by entering their confirmation code or scanning a passport or credit card. For travelers who need extra help—such as unaccompanied minors, travelers with pets, or those needing wheelchair assistance—American Airlines recommends checking in at the counter. It’s important to be aware of the check-in deadlines, which are 45 minutes before departure for domestic flights and 60 minutes for international flights. Failure to check in by these times may result in loss of your seat or denied boarding. American Airlines also advises passengers to arrive at the airport at least 2 hours before domestic flights and 3 hours before international flights to allow time for check-in, baggage drop, security screening, and boarding. For those with elite status or flying in premium cabins, priority check-in lanes are available at many airports, helping reduce wait times and making the process faster. American Airlines also offers Curbside Check-in at select U.S. airports, which can be a useful option for travelers who want to avoid indoor lines. In summary, checking in for a flight with American Airlines can be done quickly online, via the mobile app, at a kiosk, or in person at the airport. The easiest and fastest method is to check in online or through the mobile app starting 24 hours before departure. Passengers should be mindful of check-in and baggage deadlines to ensure a smooth and timely travel experience. Following American Airlines’ check-in policies and arriving early at the airport can help ensure a stress-free start to your journey.