United Airlines SFO Terminal primarily flies from Terminal 3 at San Francisco International Airport (SFO). This terminal provides a smooth experience for passengers, with a modern design, large waiting rooms, and a range of services. Passengers can enjoy dining, shopping, and luxury lounges, including the United Club and Polaris Lounge for premium members. The terminal has advanced security, self-check-in kiosks, and rapid baggage claim services. United Airlines operates several domestic and international flights from SFO, making it a hub for West Coast travel with easy access to connecting flights across the world.