San Francisco International Airport (IATA: SFO, ICAO: KSFO, FAA LID: SFO) is an international airport 13 miles (21 km) south of downtown San
Francisco, California, near Millbrae and San Bruno in San Mateo County. It has flights to points throughout North America and is a major gateway to
Europe and Asia.
It is the largest airport in the Bay Area and the second busiest airport in California after Los Angeles International Airport. In 2009 San Francisco
International Airport was the tenth busiest in the United States and the twentieth largest airport in the world by passenger count. It is the fifth
largest hub of United Airlines. It also serves as Virgin America's principal base of operations. It is the sole maintenance hub of United Airlines.
Since the mid-2000s recovery at SFO has been evident. SFO has become the base of operations for start-up airline Virgin America, with service to over
15 destinations. In June 2010 Swiss International Airlines began service from San Francisco to Zurich Airport; in July 2012 United Airlines announced
resumption of flights to Taipei and Paris. In April 2013 Scandinavian Airlines launched a new non-stop route to Copenhagen. In August 2012
China Eastern Airlines announced non-stop service to Shanghai starting in 2013. SFO set a record of 41 million passengers in 2011, and surpassed
it with 44.5 million in 2012