San Francisco International Airport

San Francisco International Airport (IATA code: SFO, ICAO code: KSFO) is the largest airport in the San Francisco Bay Area and the second busiest in California, after Los Angeles International Airport (LAX), serving San Francisco Bay Area including San Francisco and Silicon Valley. It is located in San Mateo County, 13 miles (21 kilometers) south of Downtown San Francisco.

The airport has four terminals (1, 2, 3, and International) and seven concourses (Boarding Areas A through G) with a total of 115 gates arranged alphabetically in a counterclockwise ring. Terminal 1 (Boarding Area B), Terminal 2 (Boarding Areas C and D), and Terminal 3 (Boarding Areas E and F) handle domestic flights (including precleared flights from Canada). The International Terminal (Boarding Areas A and G) handle international flights and some domestic flights.

The airport is the seventh busiest passenger airport in the country and the 15th largest air cargo airport in the United States. In calendar year 2018, it conducted over 470,000 aircraft operations, serving over 58 million incoming and outgoing passengers and moving almost 500,000 metric tons of cargo (not including mail).