Flights for KL8423 These are not all the flights that KL8423 has taken, just some of them that have flown in or out of SFO

KL8423 (SFO-JFK)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and John F Kennedy International Airport, on March 06, 2020, was operated by another airline. It departed from gate C2. See all the flights for KL8423.
KL8423 (SFO-JFK)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and John F Kennedy International Airport, on March 05, 2020, was operated by another airline. It departed from gate C2. See all the flights for KL8423.
KL8423 (SFO-JFK)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and John F Kennedy International Airport, on March 01, 2020, was operated by another airline. See all the flights for KL8423.
KL8423 (SFO-JFK)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and John F Kennedy International Airport, on January 18, 2020, was operated by another airline. It departed from gate C4. See all the flights for KL8423.
KL8423 (SFO-JFK)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and John F Kennedy International Airport, on January 17, 2020, was operated by another airline. It departed from gate C4. See all the flights for KL8423.
KL8423 (SFO-JFK)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and John F Kennedy International Airport, on January 16, 2020, was operated by another airline. It departed from gate C4. See all the flights for KL8423.

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".