| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 07 | YYZ | LHR | 00:45 | 12:26 |
Delayed
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| Jul 06 | YYZ | LHR | 23:22 | 11:01 |
Landed
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| Jul 05 | YYZ | LHR | 23:15 | 10:33 |
Landed
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| Jul 04 | YYZ | LHR | 23:09 | 10:26 |
Landed
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| Jul 03 | YYZ | LHR | 23:18 | 10:49 |
Landed
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| Jul 02 | YYZ | LHR | 23:12 | 10:26 |
Landed
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| Jul 01 | YYZ | LHR | 23:50 | 11:00 |
Landed
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| Jun 30 | YYZ | LHR | 23:11 | 10:40 |
Landed
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| Jun 29 | YYZ | LHR | 23:41 | 11:05 |
Landed
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| Jun 28 | YYZ | LHR | 23:11 | 10:34 |
Landed
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KLM Flight KL4843 connects Toronto, Canada to London, United Kingdom, taking off from Toronto Pearson International Airport YYZ and landing at London Heathrow Airport LHR.
How long is the KL4843 flight from Toronto to London?
The average flight time from Toronto to London is 6 hours and 24 minutes. The flight distance is 5706 km / 3546 miles and the average flight speed is 891 km/h / 554 mph.
How many KL4843 flights are operated per week?
6 flights per week. The flight KL4843 is operated on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of KLM Flight KL4843 Toronto to London?
The Airportia On-Time Performance Rating for KLM Flight KL4843 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL4843 arriving at?
Flight KL4843 arrives at London Heathrow Airport (LHR) Terminal 3.
When was the latest KL4843 flight?
The latest flight took off on Wednesday, July 8th, 2026 with the flight status being En-Route on 12:26.
How else can the flight KL4843 be referenced as?
This KLM flight can also be referenced as KLM4843, KL 4843, KLM 4843.
How often is flight KL4843 delayed?
On average, 10% of all KL4843 flights are delayed. The average delay is 76 minutes.
Can I get compensation for my delayed or cancelled KL4843 flight or baggage issues?
If your KL4843 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our KL4843 Flight Tracker above for more details.
Other flights departing from Toronto YYZ: VS148, WS571, AC810, WS858
Other flights arriving at London LHR: UA948, BA120, EI158, BA919
All flights connecting Toronto YYZ to London LHR.
