How do I transfer from SFO Terminal 1 to Terminal 2 at San Francisco International Airport?

To transfer from SFO Terminal 1 to Terminal 2 at San Francisco International Airport, you can use the AirTrain system. AirTrain is a free automated people mover that connects all terminals at SFO. Follow the signs to the AirTrain station in Terminal 1, board the train heading towards Terminal 2, and you will arrive at your destination in a few minutes.