Flights for AS9521 These are not all the flights that AS9521 has taken, just some of them that have flown in or out of SFO

ASA9521 (SFO-PAE)
This Alaska Airlines flight traveled from San Francisco International Airport to Snohomish County Airport-Paine Field, on September 21, 2018. Passengers were flying aboard an Airbus A320-200. See all the flights for AS9521.
ASA9521 (VCV-SFO)
This Alaska Airlines flight traveled from Southern California Logistics Airport to San Francisco International Airport, on November 25, 2018. Passengers were flying aboard an Airbus A320-200. See all the flights for AS9521.
ASA9521 (VCV-SFO)
This Alaska Airlines flight traveled from Southern California Logistics Airport to San Francisco International Airport, on December 14, 2018. Passengers were flying aboard an Airbus A320-200. See all the flights for AS9521.
ASA9521 (VCV-SFO)
This Alaska Airlines flight traveled from Southern California Logistics Airport to San Francisco International Airport, on December 08, 2018. Passengers were flying aboard an Airbus A320-200. See all the flights for AS9521.
ASA9521 (VCV-SFO)
This Alaska Airlines flight traveled from Southern California Logistics Airport to San Francisco International Airport, on December 03, 2018. Passengers were flying aboard an Airbus A320-200. See all the flights for AS9521.
ASA9521 (VCV-SFO)
This Alaska Airlines flight traveled from Southern California Logistics Airport to San Francisco International Airport, on December 02, 2018. Passengers were flying aboard an Airbus A320-200. See all the flights for AS9521.

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".