United Airlines Holdings
United Airlines Holdings, Inc. (UAL) is a major American airline holding company headquartered in Chicago, Illinois. It operates through its primary subsidiary, United Airlines, which is one of the largest airlines in the world. The company is involved in the transportation sector, offering comprehensive air travel services. United Airlines provides both domestic and international flights, serving millions of passengers annually across a vast network of routes. The airline is known for its extensive global reach, with hubs in key cities such as Chicago, Denver, Houston, Los Angeles, Newark, San Francisco, and Washington, D.C.