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.
American Airlines. Online check-in & baggage payment Within 24 hrs of scheduled departure flight; then simply drop off bags at Baggage Drop or curbside check-in station within 6 hrs of departure. Higher fees apply for Airport check-in.