American airlines online flight checking website address is www.aa.com/checkin. Where any customer of American air lines can enjoy the same convenience as on their domestic trips and save valuable time at the airport, when traveling internationally. With the new international check-in functionality, eligible travelers can use the online check-in process and simply add or verify the information required for international travel.
To online check in-
Go to the www.aa.com/checkin, Click on the "My Reservations / Flight Check-In", Enter the passenger's first and last name and the six character Record Locator then select "Go". If "More information needed to travel" appears, click "Add/edit passenger details" and complete the required information for each passenger,
Note: international passengers must also have- Passport information with phone number. for more information please visit this website.
