Flights for DL721 These are not all the flights that DL721 has taken, just some of them that have flown in or out of SFO

DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on March 25, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on December 22, 2009. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on April 04, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on April 13, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on April 11, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on April 20, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on April 12, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on April 30, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.
DAL721 (JFK-SFO)
This Delta Air Lines flight traveled from John F Kennedy International Airport to San Francisco International Airport, on April 09, 2010. Passengers were flying aboard a Boeing 757-200. See all the flights for DL721.

All these flight data are available as openly licensed data on the sfomuseum-data GitHub account. If you'd like to read more about our efforts to archive flight data at SFO Museum have a look a the Mills Field weblog posts tagged "flightdata".