| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 01 | OKC | IAH | 18:30 | 17:05 |
Unknown
|
Track > |
| Nov 30 | OKC | IAH | 14:51 | 15:56 |
Landed
|
Track > |
| Nov 29 | OKC | IAH | 15:36 | 16:52 |
Landed
|
Track > |
| Nov 28 | OKC | IAH | 15:37 | 16:39 |
Landed
|
Track > |
| Nov 26 | OKC | IAH | 15:38 | 16:44 |
Landed
|
Track > |
| Nov 25 | OKC | IAH | 15:34 | 16:40 |
Landed
|
Track > |
| Nov 24 | OKC | IAH | 16:25 | 18:09 |
Delayed
|
Track > |
| Nov 23 | OKC | IAH | 15:48 | 16:51 |
Landed Late
|
Track > |
| Nov 22 | OKC | IAH | 15:43 | 16:47 |
Landed
|
Track > |
| Nov 21 | OKC | IAH | 15:34 | 16:45 |
Landed
|
Track > |
United Airlines Flight UA3999 connects Oklahoma City, United States to Houston, United States, taking off from Oklahoma City Will Rogers World Airport OKC and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA3999 flight from Oklahoma City to Houston?
The average flight time from Oklahoma City to Houston is 1 hour and 10 minutes. The flight distance is 637 km / 396 miles and the average flight speed is 538 km/h / 334 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3999 Oklahoma City to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA3999 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3999 arriving at?
Flight UA3999 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal B.
When was the latest UA3999 flight?
The latest flight took off on Monday, December 1st, 2025 with the flight status being Unknown on 17:05.
How else can the flight UA3999 be referenced as?
This United Airlines flight can also be referenced as UAL3999, UA 3999, UAL 3999.
How often is flight UA3999 delayed?
On average, 20% of all UA3999 flights are delayed. The average delay is 45 minutes.
Can I get compensation for my delayed or cancelled UA3999 flight or baggage issues?
If your UA3999 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 UA3999 Flight Tracker above for more details.
Flight UA3999 is code-shared by 3 airlines using the flight numbers EK6208, LH8714, NZ6816
Other flights departing from Oklahoma City OKC: AA1917, AA1239, AA2304, UA3234
Other flights arriving at Houston IAH: NK2952, UA313, AA3281, UA4677
All flights connecting Oklahoma City OKC to Houston IAH.