Terminals · SFO
What terminal is United at SFO?
United departs from Terminals 3 and 2 and the International Terminal at San Francisco International Airport (SFO). We verified this against the airport's own sources on June 27, 2026 — airlines do move terminals, so we date every check.
Terminal 3Terminal 2International
SFO TSA wait times todayLive security waits by checkpoint, so you know when to leave for Terminals 3 and 2 and the International Terminal.What terminal is United at SFO?
United departs from Terminals 3 and 2 and the International Terminal at San Francisco International Airport (SFO). Domestic hub in Terminal 3 (Boarding Area E gates E1-E13 and Boarding Area F gates F5-F22); some United domestic flights also operate from Terminal 2 (Boarding Area D). International departures use the Dianne Feinstein International Terminal, Boarding Area G. Verified June 27, 2026.
Where does United check in at SFO?
Terminal 3 check-in for domestic; International Terminal (Boarding Area G side) for international. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Did United move terminals at SFO?
Not that we've found. We confirmed United departs from Terminals 3 and 2 and the International Terminal at SFO as of June 27, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Does United use a different terminal for international flights at SFO?
United international flights depart from the International Terminal (Boarding Area G); United domestic flights use Terminal 3 (and some Terminal 2). flySFO and united.com both list United as separate domestic (T2/T3) and international (International Terminal G) operations.
Not sure which building that is? See all SFO terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's SFO security wait, your drive, and the walk to your gate — so you leave with room to breathe.