United Airlines, founded in 1926, is the world’s largest airline by fleet size and route network. Headquartered in Chicago, it operates over 4,500 daily flights to more than 300 destinations across six continents, serving around 140 million passengers each year. The airline has a rich history, including a merger with Continental Airlines in 2010, which strengthened its global presence.United offers a wide range of air travel services, including passenger transport in various cabin classes, cargo services for freight transport, and a loyalty program called MileagePlus® for frequent flyers. The airline operates a modern fleet featuring Boeing 787 Dreamliners and Airbus A320s, focusing on fuel efficiency and passenger comfort. In-flight amenities include Wi-Fi, entertainment systems, and premium dining options. United is also a founding member of the Star Alliance, providing access to a vast network of destinations worldwide. The company is committed to sustainability, technology enhancements, and community engagement initiatives.