United Airlines
United Airlines is a major U.S.-based airline headquartered in Chicago, Illinois, and is a subsidiary of United Airlines Holdings, Inc. It is recognized as the world's largest airline by available seat miles and number of destinations, serving over 140 million passengers annually to more than 1,000 destinations across six continents. Founded in 1926, United Airlines has a rich history that includes significant milestones such as its merger with Capital Airlines in 1961 and the merger with Continental Airlines in 2010-2011. The airline operates from major hubs, including Houston's George Bush Intercontinental Airport, and is a founding member of the Star Alliance, which enhances its global connectivity. United Airlines provides scheduled passenger air transportation, focusing on domestic routes and international long-haul flights. It offers various cabin classes, including economy, premium economy, business, and first class. The airline also features loyalty programs like MileagePlus and provides in-flight entertainment and Wi-Fi, ensuring a comprehensive travel experience for its customers.