AirTrain

SFO's AirTrain provides year-round service 24 hours a day, with station departures as frequent as every four minutes. AirTrain is wheelchair accessible. Space is designated for wheelchairs at each end of AirTrain cars. Elevator service is available at all AirTrain stations. If you lose an item on AirTrain, you can contact the Lost and Found.

AirTrain operates two lines:

• The Red Line connects all terminals, terminal garages, the BART Station and the Grand Hyatt at SFO.
• The Blue Line connects Long-Term Parking, the Rental Car Center, all terminals, terminal garages, the BART Station and the Grand Hyatt at SFO.

To Access Your Nearest AirTrain Station:

• From Harvey Milk Terminal 1, walk to the International & Terminal 1 AirTrain Station. Take the elevator or escalator to Level 4.
• From Terminal 2 or 3, take the elevator or escalator to Mezzanine - Level 3 and walk across the passenger skybridge.
• From the International Terminal Main Hall, access the AirTrain stations near the A and G Gates. You can reach the stations by taking the elevator or escalator to Level 4.
• From the Domestic Parking Garage, Zones D and F, take the elevator or stairs to Level 5.
• From International Garages A and G, take the elevator or stairs to Level 7.

Connecting to Mass Transit

AirTrain connects you with Bay Area Rapid Transit (BART) via the Garage G AirTrain/ BART station stop. You can reach Caltrain by taking BART to Millbrae Station.

Getting to the Rental Car Center and Long-Term Parking

AirTrain's Blue Line will take you to the Rental Car Center and Long-Term Parking stops from any terminal or terminal parking garage. You cannot reach the Rental Car Center or Long-Term Parking via the AirTrain Red Line.

What You Can Bring on AirTrain

• Airport Luggage Carts: Airport luggage carts have hand brakes to keep them steady during travel. For your safety, please set the brake once you board an AirTrain car and do not take carts onto escalators.
• Animals: Service animals and animals being shipped are permitted on AirTrain. Animals being shipped must be crated at all times.
• Bicycles: Bicycles are allowed on AirTrain. Please be courteous of other passengers.

Prohibited Activity

Eating, drinking and smoking are not allowed on AirTrain.

Walking the Airport

Due to construction, a portion of Terminal 1 is closed on both levels. The best way to get from the International Terminal to Terminal 1 Gates B (Gates B1 – B27) is by walking. The best way to get from the International Terminal to Terminal 2 (Gates C1 – C11 and D1 – D18) is via AirTrain. The best way to get from the International Terminal to Terminal 3 (Gates E1 – E13 and F1 – F22, United) is by walking. However, AirTrain is your only means to and from the Rental Car Center and Long Term Parking. 

Information Booths

Information booths are located throughout the terminals. Please view the Information Booths map for exact locations. Language assistance is available.