Is American Airlines in the north terminal?

North Terminal Atlanta Airport's North Terminal caters for the ticketing and check-in of most international and domestic carriers except Delta Air Lines. South Terminal Atlanta Airport's South Terminal contains ticketing and check-in facilities for AeroMexico, Air France, ASA, Comair, Delta Air Lines, Hooters Air, and South African Airways. Concourse T Atlanta Airport's Concourse T serves American Airlines, Delta Air Lines, and United Airlines. Gates T1-T15

Yes

Download the American Airlines app so you can check for your gate without looking for a screen at the airport. It is easy and fast to move between terminals using the train.

There are no any specific terminals