UA521 (JFK-SFO) on September 18, 2021 This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on September 18, 2021. It arrived at gate F17. Passengers were flying aboard a Boeing 767-300. See all the flights for UA521.

Flight path for UA521 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.

UA521's arrival at 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.