United Airlines is a major American airline headquartered in Chicago, Illinois. It operates a vast domestic and international network, serving over 350 destinations in more than 50 countries. United is a founding member of the Star Alliance, which allows it to collaborate with other airlines for better connectivity and services.
The airline's fleet consists of various aircraft types, including Boeing and Airbus models, designed for both short and long-haul flights. United Airlines offers different travel classes, including Economy, Business, and First Class, catering to a wide range of passenger needs and preferences.