What is United Airlines First Class? (2023 Features & Amenities)

United Airlines is among the top airline companies in the United States with its headquarters in Wilis Tower, Chicago, Illinois. It operates flights to large domestic and international routes from 8 different hubs located across the country. The primary hubs for United are San Francisco, Washington–Dulles, Newark, Los Angeles, Houston–Intercontinental, Guam, Denver and Chicago–O’Hare.