| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 14 | BOS | LHR | 22:57 | 10:40 |
En-Route
|
Track > |
| Jul 13 | BOS | LHR | 23:26 | 10:43 |
Landed
|
Track > |
| Jul 12 | BOS | LHR | 00:50 | 11:51 |
Delayed
|
Track > |
| Jul 11 | BOS | LHR | 23:32 | 10:22 |
Landed
|
Track > |
| Jul 10 | BOS | LHR | 23:40 | 10:34 |
Landed
|
Track > |
| Jul 09 | BOS | LHR | 23:56 | 10:49 |
Landed
|
Track > |
| Jul 08 | BOS | LHR | 23:40 | 10:48 |
Landed
|
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| Jul 07 | BOS | LHR | 23:55 | 11:06 |
Landed Late
|
Track > |
| Jul 06 | BOS | LHR | 23:38 | 10:32 |
Landed
|
Track > |
| Jul 05 | BOS | LHR | 01:40 | 12:09 |
Delayed
|
Track > |
KLM Flight KL4805 connects Boston, United States to London, United Kingdom, taking off from Boston Logan International Airport BOS and landing at London Heathrow Airport LHR.
How long is the KL4805 flight from Boston to London?
The average flight time from Boston to London is 5 hours and 57 minutes. The flight distance is 5239 km / 3256 miles and the average flight speed is 873 km/h / 543 mph.
How many KL4805 flights are operated per week?
7 flights per week. The flight KL4805 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of KLM Flight KL4805 Boston to London?
The Airportia On-Time Performance Rating for KLM Flight KL4805 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL4805 arriving at?
Flight KL4805 arrives at London Heathrow Airport (LHR) Terminal 3.
When was the latest KL4805 flight?
The latest flight took off on Wednesday, July 15th, 2026 with the flight status being En-Route on 10:40.
How else can the flight KL4805 be referenced as?
This KLM flight can also be referenced as KLM4805, KL 4805, KLM 4805.
How often is flight KL4805 delayed?
On average, 60% of all KL4805 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled KL4805 flight or baggage issues?
If your KL4805 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 KL4805 Flight Tracker above for more details.
Other flights departing from Boston BOS: EK238, VS12, DL124, DL58
Other flights arriving at London LHR: UA924, VS12, VL904, BA429
All flights connecting Boston BOS to London LHR.
