Flights for AA421 These are not all the flights that AA421 has taken, just some of them that have flown in or out of SFO

AAL421 (KPHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on October 06, 2017. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (KPHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on October 16, 2017. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 16, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 15, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 17, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 21, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 30, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 25, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 09, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 07, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 19, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 10, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 11, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 05, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 23, 2015. Passengers were flying aboard an Airbus A320-200. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 06, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 13, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 22, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 20, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 24, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 29, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 18, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 08, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 14, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.
AAL421 (PHX-SFO)
This American Air Lines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on November 12, 2015. Passengers were flying aboard an Airbus A321. See all the flights for AA421.