aircraft Airlines available seats largest airline United Airlines The World’s Largest Airline By Number Of Available Seat Miles Guest authors November 24, 2025 0 United Airlines leads the world with the most ASMs and also tops the list with fleet size, although Delta and American rival it by other metrics.
aircraft airline capacity Commercial Aviation largest airline largest fleets The Top 10 Passenger Airlines With The Largest Fleets In The World Ranked By Capacity Guest authors January 12, 2025 0 The big four US-based airlines continue to have the most capacity in the world, while many of the other top airlines are in Europe and Asia.