flights.net Airport · SFO
San Francisco International Airport
- Terminals
- 4
- Elevation
- 13 ft
- Hub airlines
- 2
San Francisco International Airport (SFO/KSFO) is the Bay Area's main international gateway and a major United hub for Pacific and transcontinental routes. It has 4 terminals and sits 13 ft above sea level in San Francisco, United States.
Getting around San Francisco International Airport
Public transit & taxi
- Train BART — direct to downtown, ~30 min
About San Francisco International Airport
San Francisco International Airport — IATA SFO, ICAO KSFO — is the principal airport serving San Francisco, California, in United States, and is one of the the United States hubs profiled across this guide. The airfield lies at 37.62° latitude and -122.38° longitude, 13 feet above mean sea level, and observes America/Los_Angeles local time. Arriving and departing passengers are handled across 4 passenger terminals.
Day-to-day operations at San Francisco International Airport are anchored by United Airlines and Alaska Airlines, which operate a hub or focus city here. Those carriers base aircraft and crews at San Francisco, scheduling banks of connecting flights that join short-haul feeder services to the longer trunk routes which make SFO a recognisable waypoint on the the United States network.
Principal nonstop destinations from San Francisco include Los Angeles (LAX), New York (JFK), Chicago (ORD), Seattle (SEA), Denver (DEN), Newark (EWR), Las Vegas (LAS), Boston (BOS), Atlanta (ATL), Washington (IAD), San Diego (SAN) and London (LHR). Each of those airports carries its own profile in this guide, so you can compare terminals, field elevation, based carriers and the busiest routes on the same terms before you book. Those links form part of the guide's internal route graph, connecting SFO to its principal the United States and intercontinental markets.
Airport facts
| IATA / ICAO | SFO / KSFO |
|---|---|
| City | San Francisco, California, United States |
| Coordinates | 37.62°, -122.38° |
| Elevation | 13 ft |
| Terminals | 4 |
| Timezone | America/Los_Angeles |
| Hub airlines | United Airlines, Alaska Airlines |
Terminals at San Francisco International Airport
| Terminal 1 | Southwest, Delta and others |
|---|---|
| Terminal 2 | American and Alaska |
| Terminal 3 | United (domestic) |
| International Terminal | United international and foreign carriers |
Airlines occasionally relocate between terminals — confirm with your airline. As of 2026-06.
Live flights near San Francisco International Airport
Aircraft in the air near the airport right now — live ADS-B, not a scheduled board.
Checking live traffic…
Connecting airports
Principal destinations served from San Francisco International Airport. Live BTS T-100 traffic volumes and on-time rates appear here once this airport's data is baked.
Route guides from SFO
Directional route profiles departing San Francisco International Airport, with nonstop carriers, aircraft, typical flight time and where to search fares.
Tools for your trip
- Carry-on size checker Confirm your bag fits before you fly.
- Baggage-fee comparator Compare the all-in cost across carriers.
- Delay & cancellation compensation Check what you're owed if your flight is disrupted.
Frequently asked questions
- What is the airport code for San Francisco International Airport?
- San Francisco International Airport in San Francisco, United States, uses IATA code SFO and ICAO code KSFO.
- Which airlines are based at San Francisco (SFO)?
- United Airlines (UA), Alaska Airlines (AS) operate a hub or focus city at San Francisco International Airport.
- Where is San Francisco International Airport located?
- San Francisco International Airport sits at 37.62°, -122.38° and 13 feet above sea level, in the America/Los_Angeles timezone.
- How many terminals does San Francisco International Airport have?
- San Francisco International Airport has 4 passenger terminals.
- What city and country does SFO serve?
- SFO (San Francisco International Airport) serves San Francisco, California, in United States.
- Is San Francisco International Airport a hub airport?
- Yes. United Airlines, Alaska Airlines operate a hub or focus city at SFO, giving San Francisco a dense schedule of connecting flights across its 4 terminals.
- Which destinations can you fly to nonstop from San Francisco?
- Major nonstop markets from San Francisco International Airport include Los Angeles (LAX), New York (JFK), Chicago (ORD), Seattle (SEA), Denver (DEN), Newark (EWR), each with its own airport profile in this guide.
Data sources
- Airport identity and geography courtesy of OurAirports (ourairports.com) and Wikidata.