AS356 (SFO-BOS) on March 21, 2023 This Alaska Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on March 21, 2023, was operated by another airline. It departed from gate D8. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N936AK. See all the flights for AS356.
AS356's departure from SFO 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.