The main base of operations for United Airlines BWI Terminal is Concourse C at Terminal B at BWI. This terminal is state-of-the-art, roomy, and built to efficiently handle high passenger loads. One of the airport's primary domestic terminals, Terminal B is well located for passengers who may need to transfer between different areas of the airport thanks to its excellent walkway and shuttle connections to the other terminals. With its broad hallways and clear signage, the terminal's open, clean structure makes it simple for travelers to get from check-in to their departure gates.