United Airlines is a major American airline based in Chicago, Illinois. It is one of the largest airlines in the world, in terms of fleet size, number of destinations served and passenger traffic. The airline operates flights to over 360 destinations in over 60 countries worldwide. With its main hub located at Chicago O’Hare International Airport and several other focus cities throughout the United States. United Airlines is a founding member of the Star Alliance. A global airline alliance that includes 28 member airlines, which provides customers with access to a global network of flights. The airline is known for its exceptional service, particularly in terms of its frequent flyer program, MileagePlus, and its focus on customer satisfaction. United Airlines also has a number of subsidiaries. Including United Express, which operates regional flights, and United Cargo, which is focused on cargo transportation.
