What Terminal Is United at SFO:- United Airlines primarily operates from Terminal 3 (T3) at San Francisco International Airport (SFO). Terminal 3 is a significant hub for United's domestic and international flights, offering passengers a variety of amenities, including diverse dining options, shopping outlets, and United Club lounges. With efficient check-in and security procedures, Terminal 3 provides a seamless travel experience. It plays a crucial role in connecting travellers to United's extensive network of destinations. The terminal is known for its modern facilities and convenient location at SFO, ensuring a comfortable and efficient experience for United Airlines passengers travelling to and from the San Francisco Bay Area.