| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 29 | BOS | LHR | 23:18 | 09:27 |
En-Route
|
Track > |
| Oct 28 | BOS | LHR | 23:14 | 09:18 |
Landed
|
Track > |
| Oct 27 | BOS | LHR | 23:22 | 09:24 |
Landed
|
Track > |
| Oct 26 | BOS | LHR | 23:58 | 09:49 |
Landed
|
Track > |
| Oct 25 | BOS | LHR | 23:25 | 09:33 |
Landed
|
Track > |
KLM Flight KL4817 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 KL4817 flight from Boston to London?
The average flight time from Boston to London is 5 hours and 26 minutes. The flight distance is 5239 km / 3256 miles and the average flight speed is 971 km/h / 604 mph.
How many KL4817 flights are operated per week?
5 flights per week. The flight KL4817 is operated on Monday, Tuesday, Wednesday, Thursday and Friday.
What is the On-Time Performance (OTP) of KLM Flight KL4817 Boston to London?
The Airportia On-Time Performance Rating for KLM Flight KL4817 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL4817 arriving at?
Flight KL4817 arrives at London Heathrow Airport (LHR) Terminal 3.
When was the latest KL4817 flight?
The latest flight took off on Friday, October 30th, 2026 with the flight status being En-Route on 09:27.
How else can the flight KL4817 be referenced as?
This KLM flight can also be referenced as KLM4817, KL 4817, KLM 4817.
How often is flight KL4817 delayed?
On average, 0% of all KL4817 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled KL4817 flight or baggage issues?
If your KL4817 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 KL4817 Flight Tracker above for more details.
Other flights departing from Boston BOS: EK238, VS12, TP216, DL154
Other flights arriving at London LHR: BA282, AA80, VS12, BA405
All flights connecting Boston BOS to London LHR.