American Airlines is one of the few international airlines that offer both Business and First Class without a huge difference in the services and amenities provided, unlike other international airlines. AA's Flagship Business cabin is a reliable product that offers premium quality seats in a unique layout. It features an angles 1-2-1 seating configuration with utmost privacy and direct aisle access. Their Flagship Lounges are considered one of the best premium lounges in the world. As American Airlines is a founding member of the Oneworld alliance, you may use and earn miles in the American AAdvantage program or use any other loyalty programs of its alliance members like British Airways, Cathay Pacific, Qatar Airways, and Qantas