All the airports that Air China flights have come from See the airports that Air China flight have traveled to / or see all the flights this airline has flown (in and out of SFO)

Beijing Capital Airport. This airport in China is also referred to as PEK or sometimes ZBAA
Honolulu International Airport. This airport in the United States is also referred to as HNL or sometimes PHNL
Los Angeles International Airport. This airport in the United States is also referred to as LAX or sometimes KLAX
Chicago O'Hare International Airport. This airport in the United States is also referred to as ORD or sometimes KORD
Denver International Airport. This airport in the United States is also referred to as DEN or sometimes KDEN
George Bush Intercontinental Airport. This airport in the United States is also referred to as IAH or sometimes KIAH
Tacoma International Airport. This airport in the United States is also referred to as SEA or sometimes KSEA
McCarran International Airport. This airport in the United States is also referred to as LAS or sometimes KLAS
Dulles International Airport. This airport in the United States is also referred to as IAD or sometimes KIAD
Portland International Airport. This airport in the United States is also referred to as PDX or sometimes KPDX
Gen E L Logan International Airport. This airport in the United States is also referred to as BOS or sometimes KBOS
Pudong International Airport. This airport in China is also referred to as PVG or sometimes ZSPD

All these flight data are available as openly licensed data on the sfomuseum-data GitHub account. If you'd like to read more about our efforts to archive flight data at SFO Museum have a look a the Mills Field weblog posts tagged "flightdata".