UA1528 (SFO-BOS) on January 20, 2023 This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on January 20, 2023, was operated by another airline. It departed from gate F21. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37508. See all the flights for UA1528.
UA1528'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.