KLM KL4840 flight status now

KL4840 - KLM4840 KLM (KL)
SFO San Francisco United States
Flight SFO to LHR
LHR London United Kingdom
NO FLIGHTS IN THE LAST 14 DAYS Lasted record on 02-April-2020
Departure San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 23:55
INTL A11
Arrival London Heathrow Airport
IATA: LHRICAO: EGLL
Scheduled 17:05
3 None
KL4840 Detail
  • Type: International Flight
  • Flight Duration: 10 hours 10 minutes
  • Flight Distance: 8640 kms / 5369 miles
Airline
  • KLM
  • IATA: KL
  • ICAO: KLM
  • Operating Days: NO FLIGHTS IN THE LAST 14 DAYS
Passenger Services
  • Service type: Normal passenger
  • Seats: 270
  • Freight capacity: 40.2 tons
  • Passenger classes: First Class, Economy, Business Class, Premium Economy
More Detail
  • Aircraft: Airbus A350-1000
  • Callsign: KLM4840
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: Europe/London
  • Current Time in San Francisco: Wednesday 2025-11-19 07:54 AM
  • Current Time in London: Wednesday 2025-11-19 15:54 PM

International flight KLM KL4840 takes off from San Francisco (SFO) United States to London (LHR) United Kingdom. It's operated by KLM. The plane leaves San Francisco International Airport at 23:55 America/Los_Angeles. The flight is expected to land at London Heathrow Airport at 17:05 Europe/London. The flight will last about 10 hours 10 minutes.

Similar flight route from San Francisco (SFO) to London (LHR)

Airline Flight no Departure Arrival
Air New Zealand NZ9830
Air New Zealand 		19/11/2025
12:50 		10 hours 35 minutes
07:25
United Airlines UA901
United Airlines 		19/11/2025
12:50 		10 hours 35 minutes
07:25
Virgin Atlantic VS20
Virgin Atlantic 		19/11/2025
16:30 		10 hours 10 minutes
10:40
Lufthansa LH9379
Lufthansa 		19/11/2025
17:25 		10 hours 35 minutes
12:00
British Airways BA286
British Airways 		19/11/2025
20:40 		10 hours 30 minutes
15:10
American Airlines AA6995
American Airlines 		19/11/2025
17:30 		10 hours 30 minutes
12:00
Lufthansa LH9375
Lufthansa 		19/11/2025
12:50 		10 hours 35 minutes
07:25
British Airways BA284
British Airways 		19/11/2025
17:30 		10 hours 30 minutes
12:00

Frequently asked questions, answered

How long is the flight from San Francisco to London?

On average, nonstop flight takes 10 hour(s) 10 minutes, with the flight distance of 8640 km (5369 miles).

What type of aircraft is used for the KLM KL4840 flight?

All KLM KL4840 flights are operated using Airbus A350-1000 aircraft.

Which terminal the flight KLM KL4840 is arriving at?

Flight KLM KL4840 arrives in London Heathrow Airport at Terminal 3.