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

Salt Lake City International Airport. This airport in the United States is also referred to as SLC or sometimes KSLC
Fresno Yosemite International Airport. This airport in the United States is also referred to as FAT or sometimes KFAT
Montrose Regional Airport. This airport in the United States is also referred to as MTJ or sometimes KMTJ
Bert Mooney Airport. This airport in the United States is also referred to as BTM or sometimes KBTM
Durham International Airport. This airport in the United States is also referred to as RDU or sometimes KRDU
Logan Cache Airport. This airport in the United States is also referred to as LGU
Cheyenne Regional Airport. This airport in the United States is also referred to as CYS or sometimes KCYS
Tampa International Airport. This airport in the United States is also referred to as TPA or sometimes KTPA
John F Kennedy International Airport. This airport in the United States is also referred to as JFK or sometimes KJFK
Cancun Airport. This airport in Mexico is also referred to as CUN or sometimes MMUN

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".