How long is the KL4812 flight?

The timetable allows 9 h 25 min. London to Atlanta is 6,760 km (4,201 mi).

Which terminal does KL4812 use?

It usually leaves from Terminal 3 at London Heathrow Airport (LHR) and arrives at Terminal I at Atlanta Hartsfield-Jackson International Airport (ATL). Check the flight card above for today's terminal and gate.

What other flight numbers does KL4812 have?

Also listed as KLM4812 (KLM's ICAO code) and KL 4812.

Can I get compensation if KL4812 is delayed or cancelled?

Up to £520 per passenger may be due under UK261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the UK, this flight is covered by UK261.

KL4812 Flight Status KLM: London to Atlanta (KLM4812)

KLM KL 4812

En-Route, Arriving in 6h14'

LHR London

Scheduled: 10:50
Actual: 11:16

Terminal: 3 | Gate: 21

Departure: Mon, Nov 9, 2026 · local time GMT

London Heathrow Airport (LHR)

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ATL Atlanta

Scheduled: 15:15
Estimated: 14:25
Delay

Terminal: I | Gate: E27

Arrival: Mon, Nov 9, 2026 · local time EST

Atlanta Hartsfield-Jackson International Airport (ATL)

All ATL Arrivals >

Departed 1h 54m ago · lands in 6h 14m 23%

LHR 11:16 ATL 14:25

1,586 km (985 mi) flown · 5,174 km (3,215 mi) to go

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 6760 km / 4201 miles · Scheduled Duration: 09:25 · Typical Duration: 08:20

Flight issues? Claim up to £520 >

KL 4812 Flight Status & Schedule KLM London to Atlanta

Date	From	To	Departure	Arrival	Status	Details
Nov 09	LHR	ATL	11:16	14:25	En-Route	Track >
Nov 08	LHR	ATL	11:15	14:43	Landed	Track >
Nov 07	LHR	ATL	11:03	14:27	Landed	Track >
Nov 06	LHR	ATL	11:27	15:20	Landed	Track >
Nov 05	LHR	ATL	11:20	14:40	Landed	Track >
Nov 04	LHR	ATL	11:16	14:23	Landed	Track >
Nov 03	LHR	ATL	11:19	14:29	Landed	Track >
Nov 02	LHR	ATL	11:38	14:47	Landed	Track >
Nov 01	LHR	ATL	11:15	14:56	Landed	Track >
Oct 31	LHR	ATL	11:22	16:00	Landed	Track >

KLM operates KL 4812 from London to Atlanta, a 6,760 km (4,201 mi) trip, daily. The timetable allows 9 h 25 min, but the flight usually takes about 8 h 20 min, so it often makes up time. Today it left at 11:16, 26 minutes late, and is due in Atlanta at 14:25, 50 minutes early.

< All London LHR Departures All Atlanta ATL Arrivals >

About KL 4812

Route: London Heathrow Airport LHR to Atlanta Hartsfield-Jackson International Airport ATL
Distance: 6,760 km (4,201 mi)
Typical flight time: 8 h 20 min
Flies: Daily
On time: 9 of the last 9
Usually departs from: Terminal 3

Departing the UK, this flight is covered by UK261. Compensation of up to £520 per passenger can apply when it arrives 3 or more hours late or is cancelled.

KL 4812 FAQ

How long is the KL4812 flight?: The timetable allows 9 h 25 min. London to Atlanta is 6,760 km (4,201 mi).
How often is KL4812 late?: None of the last 9 flights arrived 15 or more minutes late.
Which days does KL4812 fly?: Daily: it was scheduled on each of the last 7 days.
Which terminal does KL4812 use?: It usually leaves from Terminal 3 at London Heathrow Airport (LHR) and arrives at Terminal I at Atlanta Hartsfield-Jackson International Airport (ATL). Check the flight card above for today's terminal and gate.
What other flight numbers does KL4812 have?: Also listed as KLM4812 (KLM's ICAO code) and KL 4812.
Can I get compensation if KL4812 is delayed or cancelled?: Up to £520 per passenger may be due under UK261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the UK, this flight is covered by UK261.

KL4812 and London LHR to Atlanta ATL Flights

Flight KL4812 is a code-share KLM flight of the Virgin Atlantic Airways operated VS103.

Other flights departing from London LHR: BA554, VS103

Other flights arriving at Atlanta ATL: VS103, DL1179, 9E5312

All flights connecting London LHR to Atlanta ATL.