KLM KL4840 Flight Status Today

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.

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 2026-01-21 09:24 AM
  • Current Time in London: Wednesday 2026-01-21 17:24 PM

Flight routes similar to KLM KL4840

Airline Flight no Departure Arrival
Delta DL5964
Delta 		21/01/2026
16:30 		10 hours 10 minutes
10:40
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Air France AF9650
Air France 		21/01/2026
16:30 		10 hours 10 minutes
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KLM KL4807
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16:30 		10 hours 10 minutes
10:40
Lufthansa LH9375
Lufthansa 		21/01/2026
12:50 		10 hours 35 minutes
07:25
Finnair AY5524
Finnair 		21/01/2026
17:30 		10 hours 30 minutes
12:00
Iberia IB3625
Iberia 		21/01/2026
17:30 		10 hours 30 minutes
12:00
American Airlines AA6995
American Airlines 		21/01/2026
17:30 		10 hours 30 minutes
12:00

KLM Flight KL4840 FAQs

What is the scheduled flight duration for KLM KL4840 flight?

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.