American Airlines Flagship business class passengers get priority check-in, security and boarding perks. Additionally, passengers get complimentary access to airport lounges. This includes Admirals Club lounges and Flagship Lounges, which are premium-level lounges available in select cities.

A "Flagship" seat on American Airlines refers to their premier, long-haul business and first-class products, specifically designed for international and transcontinental routes. In 2026, the airline is in the process of rolling out its newest evolution: the Flagship Suite. These seats feature a fully lie-flat design with a sliding privacy door, direct aisle access for every passenger, and significantly more personal storage than previous models. Within this new cabin, American also offers Flagship Suite Preferred seats, which are located in the first row of each section. These bulkhead seats provide roughly 42% more living space and 19% more sleeping surface because they utilize the extra room typically lost to the cabin wall. Passengers in any Flagship seat receive premium amenities, including access to exclusive Flagship Lounges, upscale dining, and high-end bedding. These seats are primarily found on Boeing 777-300ER and 787-9 Dreamliner aircraft, serving as the airline's "luxury standard" for competitive markets like London, Tokyo, and Sydney.