| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 27 | BOS | LHR | 19:27 | 06:26 |
En-Route
|
Track > |
| Jul 26 | BOS | LHR | 19:22 | 06:21 |
Landed
|
Track > |
| Jul 25 | BOS | LHR | 19:23 | 06:35 |
Landed
|
Track > |
| Jul 24 | BOS | LHR | 19:41 | 06:31 |
Landed
|
Track > |
| Jul 23 | BOS | LHR | 20:39 | 07:40 |
Delayed
|
Track > |
| Jul 22 | BOS | LHR | 20:38 | 07:37 |
Delayed
|
Track > |
| Jul 21 | BOS | LHR | 19:20 | 06:41 |
Landed
|
Track > |
| Jul 20 | BOS | LHR | 19:29 | 06:35 |
Landed
|
Track > |
| Jul 19 | BOS | LHR | 19:19 | 07:04 |
Landed Late
|
Track > |
| Jul 18 | BOS | LHR | 19:38 | 06:42 |
Landed
|
Track > |
KLM Flight KL6186 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 KL6186 flight from Boston to London?
The average flight time from Boston to London is 6 hours and 7 minutes. The flight distance is 5239 km / 3256 miles and the average flight speed is 856 km/h / 532 mph.
How many KL6186 flights are operated per week?
6 flights per week. The flight KL6186 is operated on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of KLM Flight KL6186 Boston to London?
The Airportia On-Time Performance Rating for KLM Flight KL6186 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL6186 arriving at?
Flight KL6186 arrives at London Heathrow Airport (LHR) Terminal 3.
When was the latest KL6186 flight?
The latest flight took off on Tuesday, July 28th, 2026 with the flight status being En-Route on 06:26.
How else can the flight KL6186 be referenced as?
This KLM flight can also be referenced as KLM6186, KL 6186, KLM 6186.
How often is flight KL6186 delayed?
On average, 30% of all KL6186 flights are delayed. The average delay is 42 minutes.
Can I get compensation for my delayed or cancelled KL6186 flight or baggage issues?
If your KL6186 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 KL6186 Flight Tracker above for more details.
Other flights departing from Boston BOS: B61633, DL58, DL224, DL973
Other flights arriving at London LHR: BA52, UA929, DL58, VS10
All flights connecting Boston BOS to London LHR.
