Flights for CZ1661 These are not all the flights that CZ1661 has taken, just some of them that have flown in or out of SFO

CZ1661 (SFO-LAX)
This China Southern Airlines flight between San Francisco International Airport and Los Angeles International Airport, on January 21, 2019, was operated by another airline. It departed from gate C45B. See all the flights for CZ1661.
CZ1661 (SFO-LAX)
This China Southern Airlines flight between San Francisco International Airport and Los Angeles International Airport, on January 18, 2019, was operated by another airline. It departed from gate C45A. See all the flights for CZ1661.

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".