United Airlines is a major United States-based airline that offers passenger and cargo transportation services worldwide. It operates from its headquarters in Chicago, Illinois, and maintains a vast route network covering domestic flights within the US as well as international destinations in Europe, Asia, Latin America, and other regions.
The company is part of United Airlines Holdings, Inc., a publicly traded entity. United Airlines serves as one of the largest airlines in the world, with a significant fleet of aircraft and key operational hubs at airports including Chicago O'Hare, Newark, and Denver. It provides various classes of service and has been expanding its focus on sustainable practices, such as the adoption of sustainable aviation fuel through partnerships like the one with Neste for supplies in the US and the Netherlands.
In the aviation industry, United Airlines holds a prominent position among legacy carriers, competing with peers like Delta and American Airlines. It emphasizes operational reliability, customer experience, and environmental initiatives to maintain its market standing.
Also known as United Air Lines.
Deliveries began June–Aug 2026 in Amsterdam and run July 2026–June 2027 in Chicago; SAF comes from waste fats and used cooking oil and can be blended up to 50% with jet fuel.