| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 13 | IAD | LHR | 23:13 | 10:55 |
En-Route
|
Track > |
| Jul 12 | IAD | LHR | 00:06 | 11:59 |
Landed Late
|
Track > |
| Jul 11 | IAD | LHR | 23:42 | 11:29 |
Landed
|
Track > |
| Jul 10 | IAD | LHR | 23:39 | 11:19 |
Landed
|
Track > |
| Jul 09 | IAD | LHR | 23:23 | 11:04 |
Landed
|
Track > |
| Jul 08 | IAD | LHR | 23:09 | 11:17 |
Landed
|
Track > |
| Jul 07 | IAD | LHR | 23:20 | 11:24 |
Landed
|
Track > |
| Jul 06 | IAD | LHR | 02:09 | 13:45 |
Delayed
|
Track > |
| Jul 05 | IAD | LHR | 00:21 | 12:05 |
Delayed
|
Track > |
| Jul 04 | IAD | LHR | 22:55 | 11:20 |
Cancelled
|
Track > |
| Claim > | ||||||
KLM Flight KL4825 connects Washington, United States to London, United Kingdom, taking off from Washington Dulles International Airport IAD and landing at London Heathrow Airport LHR.
How long is the KL4825 flight from Washington to London?
The average flight time from Washington to London is 6 hours and 48 minutes. The flight distance is 5901 km / 3667 miles and the average flight speed is 860 km/h / 535 mph.
How many KL4825 flights are operated per week?
7 flights per week. The flight KL4825 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of KLM Flight KL4825 Washington to London?
The Airportia On-Time Performance Rating for KLM Flight KL4825 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL4825 arriving at?
Flight KL4825 arrives at London Heathrow Airport (LHR) Terminal 3.
When was the latest KL4825 flight?
The latest flight took off on Tuesday, July 14th, 2026 with the flight status being En-Route on 10:55.
How else can the flight KL4825 be referenced as?
This KLM flight can also be referenced as KLM4825, KL 4825, KLM 4825.
How often is flight KL4825 delayed?
On average, 50% of all KL4825 flights are delayed. The average delay is 48 minutes.
Can I get compensation for my delayed or cancelled KL4825 flight or baggage issues?
If your KL4825 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 KL4825 Flight Tracker above for more details.
Other flights departing from Washington IAD: UA4265, VS22, BR3, QE269
Other flights arriving at London LHR: DL32, VS22, BA919, LX318
All flights connecting Washington IAD to London LHR.