Flights for DL9631 These are not all the flights that DL9631 has taken, just some of them that have flown in or out of SFO

DAL9631 (ATL-SFO)
This Delta Air Lines flight traveled from Hartsfield-Jackson Atlanta International Airport to San Francisco International Airport, on January 08, 2007. Passengers were flying aboard a Boeing 757-200. See all the flights for DL9631.
DAL9631 (SLC-SFO)
This Delta Air Lines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on August 13, 2009. Passengers were flying aboard a McDonnell Douglas MD-90. See all the flights for DL9631.

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".