Flights for UA1638 These are not all the flights that UA1638 has taken, just some of them that have flown in or out of SFO

UAL1638 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on December 13, 2014. Passengers were flying aboard a Boeing 787 Dreamliner. See all the flights for UA1638.
UAL1638 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on December 10, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1638.
UAL1638 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on February 21, 2015. Passengers were flying aboard a Boeing 757-300. See all the flights for UA1638.
UAL1638 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on January 19, 2015. Passengers were flying aboard a Boeing 787 Dreamliner. See all the flights for UA1638.
UAL1638 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on August 21, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA1638.
UAL1638 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on January 06, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1638.
UAL1638 (KSNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on July 03, 2017. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1638.
UAL1638 (KSNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on July 11, 2017. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1638.
UAL1638 (KSNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on September 14, 2017. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1638.
UAL1638 (KSNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on August 19, 2017. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1638.
UAL1638 (KSNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on September 27, 2017. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1638.
UAL1638 (KSNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 10, 2017. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1638.