American Airlines Check In +1 - 866 - 551 - 1186

American Airlines allows passengers to check in as early as 48 hours before departure through its official website or mobile app. For flights traveling to or from the United States, online check-in opens 24 hours before departure. You may also check in at the airport using self-service kiosks or manned counters. During check-in, you can select your seat, add baggage, and obtain a boarding pass—either digitally or in print. To ensure a smooth experience, American Airlines advises arriving at the airport at least 3 hours prior to departure.