Concourse B at Denver International Airport (DEN) is the main base of operations for United Airlines, which provides convenient check-in, baggage processing, and fast gate access to its passengers. For a comfortable wait, the terminal offers dining options, retail stores, and United Club lounges. United Airlines DEN Terminal is a major hub for United Airlines, offering connections to ... https://www.worldsairportsterminals.com/united-airlines/united-airlines-denver-international-airport-den-terminal/