| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 01 | IAH | JAX | 09:10 | 11:41 |
Delayed
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| Nov 30 | IAH | JAX | 09:07 | 11:57 |
Delayed
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| Nov 29 | IAH | JAX | 07:24 | 10:03 |
Landed
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| Nov 27 | IAH | JAX | 07:42 | 10:26 |
Landed
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| Nov 26 | IAH | JAX | 07:45 | 10:26 |
Landed
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| Nov 25 | IAH | JAX | 08:03 | 10:40 |
Landed
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| Nov 24 | IAH | JAX | 07:47 | 10:26 |
Landed
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| Nov 23 | IAH | JAX | 07:33 | 10:15 |
Landed
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| Nov 22 | IAH | JAX | 07:35 | 10:15 |
Landed
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| Nov 21 | IAH | JAX | 07:42 | 10:17 |
Landed
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United Airlines Flight UA1239 connects Houston, United States to Jacksonville, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Jacksonville International Airport JAX.
How long is the UA1239 flight from Houston to Jacksonville?
The average flight time from Houston to Jacksonville is 1 hour and 39 minutes. The flight distance is 1312 km / 815 miles and the average flight speed is 791 km/h / 491 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1239 Houston to Jacksonville?
The Airportia On-Time Performance Rating for United Airlines Flight UA1239 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1239 flight?
The latest flight took off on Monday, December 1st, 2025 with the flight status being En-Route on 11:41.
How else can the flight UA1239 be referenced as?
This United Airlines flight can also be referenced as UAL1239, UA 1239, UAL 1239.
How often is flight UA1239 delayed?
On average, 20% of all UA1239 flights are delayed. The average delay is 68 minutes.
Can I get compensation for my delayed or cancelled UA1239 flight or baggage issues?
If your UA1239 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 UA1239 Flight Tracker above for more details.
Flight UA1239 is code-shared by 2 airlines using the flight numbers AC3777, NZ6417
Other flights departing from Houston IAH: UA2744, UA4736, UA5375, UA702
Other flights arriving at Jacksonville JAX: UA729, AA2892, UA345, S5652
All flights connecting Houston IAH to Jacksonville JAX.
