| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 29 | TYS | IAH | 09:12 | 10:09 |
Landed
|
Track > |
| Apr 28 | TYS | IAH | 10:37 | 11:37 |
Delayed
|
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| Apr 27 | TYS | IAH | 09:03 | 10:03 |
Landed
|
Track > |
| Apr 26 | TYS | IAH | 09:04 | 10:05 |
Landed
|
Track > |
| Apr 25 | TYS | IAH | 09:07 | 09:55 |
Landed
|
Track > |
| Apr 24 | TYS | IAH | 09:09 | 09:59 |
Landed
|
Track > |
| Apr 23 | TYS | IAH | 08:57 | 09:43 |
Landed
|
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| Apr 22 | TYS | IAH | 09:03 | 09:47 |
Landed
|
Track > |
| Apr 21 | TYS | IAH | 09:04 | 10:06 |
Landed
|
Track > |
| Apr 20 | TYS | IAH | 09:04 | 10:14 |
Landed
|
Track > |
United Airlines Flight UA4038 connects Knoxville, United States to Houston, United States, taking off from Knoxville McGhee Tyson Airport TYS and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA4038 flight from Knoxville to Houston?
The average flight time from Knoxville to Houston is 1 hour and 55 minutes. The flight distance is 1240 km / 771 miles and the average flight speed is 646 km/h / 401 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4038 Knoxville to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA4038 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4038 arriving at?
Flight UA4038 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal B.
When was the latest UA4038 flight?
The latest flight took off on Wednesday, April 29th, 2026 with the flight status being Landed on 10:09.
How else can the flight UA4038 be referenced as?
This United Airlines flight can also be referenced as UAL4038, UA 4038, UAL 4038.
How often is flight UA4038 delayed?
On average, 10% of all UA4038 flights are delayed. The average delay is 60 minutes.
Can I get compensation for my delayed or cancelled UA4038 flight or baggage issues?
If your UA4038 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 UA4038 Flight Tracker above for more details.
Flight UA4038 is code-shared by 2 airlines using the flight numbers NH7131, NZ6668
Other flights departing from Knoxville TYS: AA5513, UA5673, DL5303, UA5921
Other flights arriving at Houston IAH: NK470, UA1172, UA4850, UA496
All flights connecting Knoxville TYS to Houston IAH.