Flights for UA521 These are not all the flights that UA521 has taken, just some of them that have flown in or out of SFO

UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 18, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N14102. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 17, 2022. It arrived at gate F17. Passengers were flying aboard a Boeing 757-300 with tail number N75853. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 16, 2022. It arrived at gate F21. Passengers were flying aboard a Boeing 757-200 with tail number N17139. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 15, 2022. It arrived at gate E10. Passengers were flying aboard a Boeing 757-200 with tail number N12116. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 14, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N12116. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 13, 2022. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N13138. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 12, 2022. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N12116. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 11, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N67134. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 10, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N67134. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 09, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 08, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N67134. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 07, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N67134. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 06, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N17104. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 05, 2022. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 04, 2022. It arrived at gate F17. Passengers were flying aboard a Boeing 757-200 with tail number N17104. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 03, 2022. It arrived at gate F17. Passengers were flying aboard a Boeing 757-200 with tail number N14115. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on January 02, 2022. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N14115. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 31, 2021. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 30, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N41135. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 28, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N13138. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 27, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-300 with tail number N78866. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 26, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N17126. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 24, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N19141. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 23, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N19130. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 20, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 19, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N17126. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 18, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N13138. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 17, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N34131. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 16, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 15, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N17126. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 14, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 13, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N17126. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 12, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N34131. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 10, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N17104. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 09, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N19117. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 08, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N13138. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 07, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 06, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N41140. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 05, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N14115. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 04, 2021. It arrived at gate F17. Passengers were flying aboard a Boeing 757-200 with tail number N67134. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 03, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N12109. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 02, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N13110. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 01, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 767-300 with tail number N665UA. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 30, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N19117. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 29, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N67134. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 28, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N34131. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 27, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N67134. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 26, 2021. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N17126. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 24, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N17126. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 23, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N14107. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 22, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N57111. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 21, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N57111. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 20, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N14106. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 19, 2021. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N17122. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 18, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N17105. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 17, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N17104. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 16, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N41135. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 15, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N17122. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 14, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N14115. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 13, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N14107. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 12, 2021. It arrived at gate F21. Passengers were flying aboard a Boeing 757-200 with tail number N57111. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 11, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N14102. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 10, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N14107. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 09, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N17104. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 08, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N13110. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 07, 2021. It arrived at gate F17. Passengers were flying aboard a Boeing 757-200 with tail number N17104. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 06, 2021. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N19117. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 05, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N17139. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 04, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 03, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N17139. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 02, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N13110. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on November 01, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N13110. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 31, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N19136. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 30, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N19136. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 29, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N14107. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 28, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N58101. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 27, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N58101. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 26, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N12114. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 25, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N19117. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 24, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N17122. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 23, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N14102. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 22, 2021. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N17104. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 21, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N14102. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 20, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N19136. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 19, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N17126. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 17, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N19117. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 16, 2021. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N57111. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 15, 2021. It arrived at gate F17. Passengers were flying aboard a Boeing 757-200 with tail number N19136. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 14, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N57111. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 13, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N17105. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 12, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N14107. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 11, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-300 with tail number N74856. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 10, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N13138. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 09, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N13110. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 08, 2021. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N13110. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 07, 2021. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N17105. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 05, 2021. It arrived at gate F13. Passengers were flying aboard a Boeing 767-300 with tail number N668UA. See all the flights for UA521.
UA521 (JFK-SFO)
This United Airlines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on October 04, 2021. It arrived at gate F14. Passengers were flying aboard a Boeing 767-300 with tail number N668UA. See all the flights for UA521.