| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 16 | IAH | LFT | 19:29 | 20:05 |
Delayed
|
Track > |
| Dec 15 | IAH | LFT | 18:57 | 19:32 |
Landed
|
Track > |
| Dec 14 | IAH | LFT | 19:25 | 19:59 |
Landed Late
|
Track > |
| Dec 13 | IAH | LFT | 18:52 | 19:34 |
Landed
|
Track > |
| Dec 11 | IAH | LFT | 18:48 | 19:22 |
Landed
|
Track > |
| Dec 10 | IAH | LFT | 21:30 | 19:28 |
Unknown
|
Track > |
| Dec 08 | IAH | LFT | 20:20 | 19:28 |
En-Route
|
Track > |
| Dec 07 | IAH | LFT | 18:37 | 19:24 |
Landed
|
Track > |
| Dec 06 | IAH | LFT | 18:30 | 19:10 |
Landed
|
Track > |
| Dec 04 | IAH | LFT | 18:20 | 19:28 |
Scheduled
|
Track > |
United Airlines Flight UA4639 connects Houston, United States to Lafayette, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Lafayette Regional Airport LFT.
How long is the UA4639 flight from Houston to Lafayette?
The average flight time from Houston to Lafayette is 38 minutes. The flight distance is 324 km / 201 miles and the average flight speed is 445 km/h / 277 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4639 Houston to Lafayette?
The Airportia On-Time Performance Rating for United Airlines Flight UA4639 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4639 flight?
The latest flight took off on Wednesday, December 17th, 2025 with the flight status being En-Route on 20:05.
How else can the flight UA4639 be referenced as?
This United Airlines flight can also be referenced as UAL4639, UA 4639, UAL 4639.
How often is flight UA4639 delayed?
On average, 40% of all UA4639 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled UA4639 flight or baggage issues?
If your UA4639 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 UA4639 Flight Tracker above for more details.
Flight UA4639 is code-shared by 3 airlines using the flight numbers CM1524, EK6124, NZ6466
Other flights departing from Houston IAH: UA4244, UA4251, UA382, UA1748
Other flights arriving at Lafayette LFT: AA5120, UA4659, AA5078, UA6209
All flights connecting Houston IAH to Lafayette LFT.