AS221 (ORD-SFO) on December 31, 2019 This Alaska Airlines flight traveled from Chicago O'Hare International Airport to San Francisco International Airport, on December 31, 2019. It arrived at gate D9. Passengers were flying aboard a Boeing 737-900 with tail number N431AS. See all the flights for AS221.

Flight path for AS221 on this date

Sometimes flight paths may look a bit weird in places, because that is (can be) the nature of radar data. It should still give you a rough idea of where this flight traveled to and from though.