UA639 (SFO-ORD) on December 06, 2019 This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on December 06, 2019. It departed from gate F16. Passengers were flying aboard a Boeing 757-300 with tail number N57855. See all the flights for UA639.

Flight path for UA639 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.