American Airlines is notable for being the world's largest airline by fleet size and for its deep historical legacy as a pioneer in the aviation industry. In 2026, the carrier is celebrating its Centennial (100th anniversary), marking a century since its roots began as an airmail carrier in 1926. American is "special" for having introduced several industry-firsts that are now global standards, including the first airport lounge (the Admirals Club in 1939) and the first frequent flyer loyalty program (AAdvantage in 1981). In the current 2026 landscape, the airline is undergoing a massive "premium push," rolling out its new Flagship Suite business class seats, which feature sliding privacy doors and lie-flat beds on long-haul routes. It is also unique for its massive domestic "hub-and-spoke" network centered in Dallas-Fort Worth (DFW), which is one of the busiest and most efficient airline hubs in the world. As a founding member of the Oneworld alliance, American offers unparalleled connectivity to Europe and South America, and it is currently the only U.S. carrier offering a true three-class (First, Business, and Economy) experience on select transcontinental domestic routes.