United Airlines sfo terminal provides best traveling facilities to the passengers. It will be the best decision for passengers to travel with the United Airlines. Passengers should also have some information about the airline which will make their travel more easy and comfortable. The Airlines provide services like ATMs, Check-In counters, Food and drinks. United Airlines is usually located at Terminal 3 of San Francisco International Airport (SFO). Terminal 3 is a large building where United operates many of its domestic and international flights. When flying with United from SFO, you’ll find check-in counters, security checkpoints, and departure gates all within Terminal 3.