| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 04 | IAH | LHR | 20:36 | 11:35 |
En-Route
|
Track > |
| Oct 03 | IAH | LHR | 20:58 | 10:59 |
Landed
|
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| Oct 02 | IAH | LHR | 21:01 | 11:10 |
Landed
|
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| Oct 01 | IAH | LHR | 21:18 | 11:31 |
Landed
|
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| Sep 30 | IAH | LHR | 20:28 | 11:14 |
Landed
|
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| Sep 29 | IAH | LHR | 22:57 | 13:39 |
Delayed
|
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| Sep 28 | IAH | LHR | 00:18 | 15:18 |
Delayed
|
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| Sep 27 | IAH | LHR | 20:27 | 11:37 |
Landed
|
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| Sep 26 | IAH | LHR | 20:21 | 11:16 |
Landed
|
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| Sep 25 | IAH | LHR | 21:24 | 11:53 |
Landed Late
|
Track > |
Air Canada Flight AC3859 connects Houston, United States to London, United Kingdom, taking off from Houston George Bush Intercontinental Airport IAH and landing at London Heathrow Airport LHR.
How long is the AC3859 flight from Houston to London?
The average flight time from Houston to London is 8 hours and 36 minutes. The flight distance is 7762 km / 4823 miles and the average flight speed is 897 km/h / 557 mph.
How many AC3859 flights are operated per week?
7 flights per week. The flight AC3859 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Air Canada Flight AC3859 Houston to London?
The Airportia On-Time Performance Rating for Air Canada Flight AC3859 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AC3859 arriving at?
Flight AC3859 arrives at London Heathrow Airport (LHR) Terminal 2.
When was the latest AC3859 flight?
The latest flight took off on Monday, October 5th, 2026 with the flight status being En-Route on 11:35.
How else can the flight AC3859 be referenced as?
This Air Canada flight can also be referenced as ACA3859, AC 3859, ACA 3859.
How often is flight AC3859 delayed?
On average, 40% of all AC3859 flights are delayed. The average delay is 91 minutes.
Can I get compensation for my delayed or cancelled AC3859 flight or baggage issues?
If your AC3859 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 AC3859 Flight Tracker above for more details.
Other flights departing from Houston IAH: UA5, UA819, UA2621, YV6157
Other flights arriving at London LHR: BA280, UA5, BA731, BA1347
All flights connecting Houston IAH to London LHR.
