Hubs
Major
San Francisco International Airport (SFO)
Hub Overview
Passengers
57.5M
Destinations
155
Connectivity
83/100
Transit
good
Hub Airlines
UA
United Airlines
primary
Alliance Presence
Star Alliance
Terminal & Lounges
Terminal Overview
SFO has four terminals: Terminal 1 (Southwest, JetBlue), Terminal 2 (Delta, Alaska), Terminal 3 (United), and the International Terminal (A and G gates).
Lounge Highlights
The United Polaris Lounge in the International Terminal is among the best in the US, with a la carte dining and daybeds.
Transit Tips
- United operates from Terminals 3 and the International Terminal (G gates).
- All terminals are connected airside after security, making transfers straightforward.
- The AirTrain connects all terminals and the BART station for free.
- The SFO Museum has rotating art and aviation exhibits throughout the terminals.
- Fog delays are common from June through August; check flight status during summer.
Ground Transport
BART runs from SFO to downtown San Francisco (Powell Street) in about 30 minutes for $10.20. Caltrain to the Peninsula is accessible via BART transfer.
Fun Facts
- SFO was the first airport to ban the sale of single-use plastic water bottles.
- The airport has a yoga room in Terminal 2 for pre-flight relaxation.
- It serves as the primary gateway for Silicon Valley business travelers.