For both arrivals and departures, United Airlines mainly uses Concourse B at United Airlines Denver International Airport. DEN serves as one of United's main hubs and provides a large number of domestic and international flights. Concourse B offers a range of dining and shopping options, baggage claim areas, self-service kiosks, TSA security checkpoints, and contemporary check-in facilities. For extra comfort, United Club lounges are available to passengers. For a more seamless experience, travelers are advised to check in online. United Airlines guarantees a smooth travel experience through Denver International Airport with its effective airport services and wide range of flight options.