United Airlines
United Airlines, Inc., is a major American airline headquartered in Chicago, Illinois. It is one of the world's largest airlines when measured by the number of destinations served. United operates a large domestic and international route network, with an extensive presence in the Asia-Pacific region. The airline was founded in 1926 as Varney Air Lines and later became United Air Lines. Over the decades, United has expanded through a combination of organic growth and mergers, including the merger with Continental Airlines in 2010, which led to the adoption of its current branding and operating structure. United is a founding member of the Star Alliance, the world's largest airline alliance, offering service to over 190 countries through its member airlines. The company operates a fleet of mainline and regional aircraft, providing both passenger and cargo transport services.