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SFOSan Francisco International Airport logo
Major hub airport · United States

San Francisco International Airport

San Francisco, United States · #28 world#10 of 114 in country

SFOIATA code
KSFOICAO code
54.5Mpassengers in 2025
3,618 mlongest of 4 runways
4 melevation · 13 ft
1927opened
San Francisco International Airport (SFO)
Photo: Calbookaddict at English Wikipedia · CC BY 3.0 · Wikimedia Commons

San Francisco International Airport (SFO/KSFO) is an airport in the United States serving San Francisco.

It handled 54,532,613 passengers in 2025, making it number 28 in our world ranking and number 10 of 114 ranked airports in the United States.

It has 4 runways, the longest 3,618 m, at an elevation of 4 m.

2 airlines use it as a hub, including United Airlines and Alaska Airlines.

Passengers per year

2012–2025
44.5M44.9M47.1M50.1M53.1M55.8M57.8M57.5M16.4M24.3M42.3M50.2M52.3M54.5M
2012’122013’132014’142015’152016’162017’172018’182019’192020’202021’212022’222023’232024’242025’25
Identification
IATA
SFO
ICAO
KSFO
Wikidata
Q8688
Location
City served
San Francisco
Located in
California
Coordinates
37.6189, -122.3750
Elevation
4 m (13 ft)
Organisation
Type
international airport, airport
Opened
1927-05-07
Operator
City and County of San Francisco
Owner
City and County of San Francisco
Named after
San Francisco
Runways
01L/19R
2,332 m · 7,651 ftrock asphalt
01R/19L
2,637 m · 8,652 ftrock asphalt
10R/28L
3,469 m · 11,381 ftrock asphalt
10L/28R
3,618 m · 11,870 ftrock asphalt

Hub for 2 airlines

UAUnited AirlinesASAlaska Airlines