San Francisco International Airport

San Francisco International Airport
San Francisco International Airport
	Aerial view of San Francisco International Airport in March 2015
	IATA: SFO; ICAO: KSFO; FAA LID: SFO; WMO: 72494;
Summary
Airport type	Public
Owner/Operator	City and County of San Francisco
Serves	San Francisco Bay Area
Location	San Mateo County, California, United States
Opened	May 7, 1927
Hub for	Alaska Airlines; United Airlines;
Time zone	PST (UTC−08:00)
• Summer (DST)	PDT (UTC−07:00)
Elevation AMSL	4 m / 13 ft
Coordinates	37°37′08″N 122°22′30″W / 37.61889°N 122.37500°W
Website	www.flysfo.com
Maps
	; FAA airport diagram
Runways
Statistics (2024)
Total Passengers
Total Passengers	52,288,098
Aircraft operations	386,507
Total cargo (tonnes)	561,594
	Source: San Francisco International Airport and FAA

San Francisco International Airport (IATA: SFO, ICAO: KSFO, FAA LID: SFO) is the primary international airport for the San Francisco Bay Area in the U.S. state of California. Owned and operated by the City and County of San Francisco, the airport has a San Francisco mailing address and ZIP Code, although it is situated in an unincorporated area of neighboring San Mateo County,^[3]^[4] approximately 12 miles (19 km; 10 nmi) southeast of San Francisco.

SFO is the largest airport in the Bay Area and the second-busiest in the US State of California, following Los Angeles International Airport (LAX). In 2023, it ranked as the 13th-busiest airport in the United States and the 29th-busiest in the world by passenger traffic.^[5] It is a hub for United Airlines, acting as the airline's primary transpacific gateway, and as a major maintenance facility. Additionally, SFO functions as a hub for Alaska Airlines.

^ "SFO Airport 2024 Final Air Traffic Summary" (PDF). flysfo.com. Retrieved January 28, 2025.
^ FAA Airport Form 5010 for SFO PDF, effective January 23, 2025.
^ "2020 Census – Census Block Map: San Mateo County, CA" (PDF). Washington: U.S. Census Bureau. pp. 5–6 (PDF p. 6–7). Retrieved August 3, 2022. San Francisco International Arprt (airport directly indicated on page 6 (PDF page 7))
"San Francisco International Airport". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
^ "San Francisco International Airport". www.flysfo.com. March 16, 2022. Retrieved February 25, 2024.
^ Airports Council International – Worldwide Airport Traffic Report – Calendar Year 2017 (PDF) (Report). New York: The Port Authority of New York and New Jersey. Archived (PDF) from the original on May 8, 2018. Retrieved May 31, 2018.