Although the process varies state to state, these general steps can help you get started. 1  Replace your birth certificate. Find the vital records office in the state where you were born. 2  Replace your driverâs license. Get this first if you cannot get your birth certificate. 3  Replace your marriage certificate.
The American Airlines website recommends arriving at least 60 minutes early for domestic flights and two hours early for international flights. You must check in at least 30 minutes before a domestic flight and 60 minutes for international flights; otherwise, American Airlines has the right to cancel your ticket.
Check-In Times Advisory. Passengers are encouraged to check-in a minimum of two hours prior to flight departure for domestic travel and three hours for international travel. This allows time for airline check-in, obtaining a boarding pass, and going through the security screening process, which includes screening of your carry-on baggage. JFK Airport Information.