| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 03 | MFE | IAH | 17:27 | 18:25 |
Landed
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| Mar 02 | MFE | IAH | 17:23 | 18:16 |
Landed
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| Feb 27 | MFE | IAH | 17:15 | 18:16 |
Landed
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| Feb 26 | MFE | IAH | 17:21 | 18:16 |
Landed
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| Feb 23 | MFE | IAH | 17:26 | 18:23 |
Landed
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| Feb 20 | MFE | IAH | 17:16 | 18:05 |
Landed
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| Feb 19 | MFE | IAH | 17:16 | 18:09 |
Landed
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| Feb 16 | MFE | IAH | 17:13 | 18:03 |
Landed
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| Feb 13 | MFE | IAH | 17:34 | 18:23 |
Landed
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| Feb 12 | MFE | IAH | 17:19 | 18:12 |
Landed
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United Airlines Flight UA3999 connects McAllen, United States to Houston, United States, taking off from McAllen Miller International Airport MFE and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA3999 flight from McAllen to Houston?
The average flight time from McAllen to Houston is 53 minutes. The flight distance is 510 km / 317 miles and the average flight speed is 571 km/h / 355 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3999 McAllen to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA3999 is 5/5 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 Wednesday, March 4th, 2026 with the flight status being Landed on 18:25.
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, 0% of all UA3999 flights are delayed. The average delay is 0 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 1 airline using the flight number AC3493
Other flights departing from McAllen MFE: AA1048, UA4234, UA4283, AA1048
Other flights arriving at Houston IAH: UA5478, AA2415, UA6149, UA5918
All flights connecting McAllen MFE to Houston IAH.