San Francisco International Airport | Updated April 2026
SFO handles about 57 million passengers annually across 4 terminals. Known for its excellent art exhibitions and being a major hub for United Airlines.
International Terminal has separate screening areas for departures and connections
Terminal 3 (United domestic) gets very busy during morning peaks. International Terminal G gates can have long walks after security.
PreCheck available in all terminals. CLEAR available in Terminals 1, 2, 3, and International.
Ground transportation options include: BART (direct station at airport), SamTrans, ride-sharing, rental car center via AirTrain.
Q: How much time should I budget for TSA screening at SFO? A: Budget 30-45 minutes during peak hours without PreCheck. With PreCheck or during off-peak times, 10-15 minutes is typical.
Q: Does SFO have TSA PreCheck? A: Yes. PreCheck lanes are available and can significantly reduce your screening time.
Q: What are the busiest times at SFO? A: Early morning (6-8 AM) and late afternoon (4-6 PM) on weekdays. Sunday evenings and Monday mornings also tend to be busy.