| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 09 | ATL | IAH | 09:30 | 10:57 |
Scheduled
|
Track > |
| Oct 04 | ATL | IAH | 09:30 | 10:57 |
Scheduled
|
Track > |
| Jan 05 | ATL | IAH | 16:17 | 17:00 |
Landed
|
Track > |
| Jan 04 | ATL | IAH | 16:01 | 16:43 |
Landed
|
Track > |
| Jan 03 | ATL | IAH | 17:14 | 17:55 |
Landed Late
|
Track > |
| Jan 02 | ATL | IAH | 16:09 | 16:51 |
Landed
|
Track > |
| Jan 01 | ATL | IAH | 16:10 | 16:54 |
Landed
|
Track > |
| Dec 31 | ATL | IAH | 16:00 | 16:37 |
Landed
|
Track > |
| Dec 30 | ATL | IAH | 16:24 | 17:05 |
Landed
|
Track > |
| Dec 29 | ATL | IAH | 16:34 | 17:23 |
Landed
|
Track > |
United Airlines Flight UA3999 connects Atlanta, United States to Houston, United States, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA3999 flight from Atlanta to Houston?
The average flight time from Atlanta to Houston is 1 hour and 42 minutes. The flight distance is 1108 km / 688 miles and the average flight speed is 610 km/h / 379 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3999 Atlanta 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 Friday, October 9th, 2026 with the flight status being Scheduled on 10:57.
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, 10% of all UA3999 flights are delayed. The average delay is 30 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.
Other flights departing from Atlanta ATL: DL557, DL665, YV3999, WN203
Other flights arriving at Houston IAH: YV3999, C54838, OO5131, UA4838
All flights connecting Atlanta ATL to Houston IAH.