US airlines dominate global passenger capacity rankings for 2025

The latest ranking of passenger airlines by capacity shows that the top four airlines are all based in the United States. United Airlines leads globally with a capacity of 253,498, followed by Delta Air Lines at 229,694 and American Airlines at 212,731. In the rankings, Southwest Airlines is notable for its hybrid model, with a capacity of 205,816. Internationally, airlines like IndiGo and Turkish Airlines are significant players, with capacities of 125,192 and 97,442, respectively. Lufthansa, Air China, and Ryanair also feature in the top ten, highlighting a mix of full-service and low-cost carriers. The rankings reflect a competitive landscape, particularly among U.S. airlines, which dominate in capacity.