You can change your flights reservation by own or online if your:
If your reservation does not have a "Change plan," contact Reservations.
You can make a change on the aa.com, airplane (self service kiosk or ticket saver) or call for trips.
If you stop your departure for an earlier flight of the day, you will keep your original flight until you check in earlier flight. On the same day the service does not guarantee the flight.
Standby Policy applies to US, Puerto Rico, US Virgin Islands, Caribbean or Canadian American and / or American Eagles travel.
International passengers choose flights from American Airline to find the most comfortable travel routes and timetable for American Airlines. Find the best direct flights to different parts of the world by selecting more frequent flywalks in international destinations.
Find American Airlines flights that are available in all your favorite US destinations, from smaller to big cities, American Airlines can get you there. Convenient flight schedules make it easy to go where you need to go and arrive at the right time.