Flights for UA721 These are not all the flights that UA721 has taken, just some of them that have flown in or out of SFO

UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on June 02, 2021. It departed from gate E5. Passengers were flying aboard a Boeing 737-900. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on June 01, 2021. It departed from gate E7. Passengers were flying aboard a Boeing 737-900. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 31, 2021. It departed from gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N69810. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 30, 2021. It departed from gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N68802. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 29, 2021. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N75429. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 28, 2021. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N61887. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 27, 2021. It departed from gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N69830. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 26, 2021. It departed from gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N69835. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 25, 2021. It departed from gate F20. Passengers were flying aboard a Boeing 757-300 with tail number N57855. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 24, 2021. It departed from gate F20. Passengers were flying aboard a Boeing 737-800 with tail number N78540. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 23, 2021. It departed from gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N69840. See all the flights for UA721.
UA721 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 22, 2021. It departed from gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N27477. See all the flights for UA721.