For its domestic and international flights, United Airlines mostly uses Terminal B at United Airlines Boston Logan International Airport The airline connects Boston to important sites in the US and a few foreign countries via a number of routes. The United Club lounge, which is situated in Terminal B and offers a cozy area to unwind before flights, is one of the first-class amenities available to United customers. United Airlines offers a smooth and effective travel experience, making it a popular choice for passengers at BOS due to its numerous departures and dependable connections.