All the airports that flights out of Gate E3 ( between 2020-~05 and 2021-05-25 ) have flown to See the airports that flights arriving at Gate E3 have come from / or see all the flights in and out of this gate

Montrose Regional Airport. This airport in the United States is also referred to as MTJ or sometimes KMTJ
Tri Cities Airport. This airport in the United States is also referred to as PSC or sometimes KPSC
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".