| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 01 | LHR | IAH | 14:02 | 17:47 |
En-Route
|
Track > |
| Jun 30 | LHR | IAH | 13:53 | 17:20 |
Landed
|
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| Jun 29 | LHR | IAH | 13:57 | 17:37 |
Landed
|
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| Jun 28 | LHR | IAH | 14:16 | 17:44 |
Landed
|
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| Jun 27 | LHR | IAH | 14:10 | 17:28 |
Landed
|
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| Jun 26 | LHR | IAH | 14:19 | 18:05 |
Landed
|
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| Jun 25 | LHR | IAH | 14:09 | 17:41 |
Landed
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| Jun 24 | LHR | IAH | 14:06 | 17:30 |
Landed
|
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| Jun 23 | LHR | IAH | 14:01 | 17:30 |
Landed
|
Track > |
| Jun 22 | LHR | IAH | 14:36 | 18:27 |
Landed Late
|
Track > |
United Airlines Flight UA4 connects London, United Kingdom to Houston, United States, taking off from London Heathrow Airport LHR and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA4 flight from London to Houston?
The average flight time from London to Houston is 9 hours and 34 minutes. The flight distance is 7762 km / 4823 miles and the average flight speed is 812 km/h / 504 mph.
How many UA4 flights are operated per week?
7 flights per week. The flight UA4 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA4 London to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA4 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4 arriving at?
Flight UA4 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal E.
When was the latest UA4 flight?
The latest flight took off on Wednesday, July 1st, 2026 with the flight status being En-Route on 17:47.
How else can the flight UA4 be referenced as?
This United Airlines flight can also be referenced as UAL4, UA 4, UAL 4.
How often is flight UA4 delayed?
On average, 20% of all UA4 flights are delayed. The average delay is 16 minutes.
Can I get compensation for my delayed or cancelled UA4 flight or baggage issues?
If your UA4 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 UA4 Flight Tracker above for more details.
Flight UA4 is code-shared by 5 airlines using the flight numbers AC3913, LH7621, LX3038, OS7813, SN9080
Other flights departing from London LHR: BA370, BA952, VS135, BA67
Other flights arriving at Houston IAH: UA47, UA1516, AA1913, UA1245
All flights connecting London LHR to Houston IAH.
