Check in online or from the app starting 24 hours and up to 45 minutes before your domestic flight.

Aug 24, 2025 · Let’s dive right into how to check-in for your American Airlines flight. You can check in 24 hours before your flight online, via the AA app, at a kiosk, ticket counter, or curbside (domestic only). …

Jan 13, 2025 · You can check in for American Airlines flights online or through the app starting 24 hours before departure. For domestic flights, check in at least 45 minutes before boarding. For international …

Nov 13, 2025 · Timing: For flights within the US, check in at least 45 minutes before departure; for international flights, at least 60 minutes before departure.

American Airlines operates from Terminal A at Houston IAH Airport, offering check-in, arrivals, lounges, TSA PreCheck, and connections via subway and Skyway.

Starting 24 hours before your flight departure, you can check in online through the American Airlines website. This method is ideal for travelers who want to skip the line and head straight to security. …

Check in beginning 24 hours and up to 45 minutes before your flight (90 minutes for international).

Jan 14, 2025 · Check in for American Airlines flights online or through the app starting 24 hours before your departure. For domestic flights, complete check-in at least 45 minutes before departure. For …

Most flights start boarding 30 - 50 minutes before scheduled departure, but the exact time depends on your destination and plane. Boarding ends 15 minutes before departure. If you’re not on board, we …

Jul 3, 2025 · You can check in for your American Airlines flight online or through the app starting 24 hours before departure. For domestic flights, check-in closes 45 minutes before departure. For …