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It is the largest hub for American Airlines, which is headquartered near the airport. It is the fourth busiest airport in the world by aircraft movements and the twelfth busiest airport in the world by passenger traffic in 2017. It is the ninth busiest international gateway in the United States and second busiest in Texas. With nearly 900 daily flights, American Airlines at DFW is the second largest airline hub in the world and the United States, behind Delta's Atlanta hub.
Delta's Atlanta hub