USA. Arizona state. Phoenix. Downtown. View on the wing of an American Airlines plane on his landing approach towards Phoenix airport. American Airlines, Inc. (AA) is a major American airline. Operating an extensive international and domestic network, American Airlines is the world's largest airline by fleet size and revenue, and the second largest by number of destinations served. Phoenix is on of its hubs. 22.01.2016 © 2016 Didier Ruef