Cheap United Airlines Flights & Tickets

United Airlines (UA), often simply referred to as United, is a major American airline founded in 1926. As one of the world’s largest airlines, United operates more than 300 domestic and international destinations across the world. It is headquartered in Chicago, Illinois, and its primary hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, and Washington–Dulles. United Airlines was originally established as Varney Air Lines and later became United Aircraft and Transport Corporation. In 1931, it was restructured as United Air Lines. The airline is a founding member of the Star Alliance, the world's largest airline alliance, formed in 1997. Now with 103,300 team members worldwide, United Airlines is known for its commitment to customer service and innovation within the aviation industry.