UA639 (SFO-ORD) on December 24, 2019 This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on December 24, 2019. It departed from gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N61898. 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.