Flights for KL4840 These are not all the flights that KL4840 has taken, just some of them that have flown in or out of SFO

KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 16, 2019, was operated by another airline. It departed from gate A6. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 15, 2019, was operated by another airline. It departed from gate A10. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 14, 2019, was operated by another airline. It departed from gate A10. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 13, 2019, was operated by another airline. It departed from gate A8. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 12, 2019, was operated by another airline. It departed from gate A10. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 11, 2019, was operated by another airline. It departed from gate A4. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 10, 2019, was operated by another airline. It departed from gate A3. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 09, 2019, was operated by another airline. It departed from gate A10. See all the flights for KL4840.
KL4840 (SFO-LHR)
This KLM (Royal Dutch Airlines) flight between San Francisco International Airport and London Heathrow Airport, on March 08, 2019, was operated by another airline. It departed from gate A9. See all the flights for KL4840.

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".