| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | EYW | IAH | 16:59 | 18:20 |
Landed
|
Track > |
| May 19 | EYW | IAH | 17:16 | 18:44 |
Landed
|
Track > |
| May 18 | EYW | IAH | 17:03 | 18:21 |
Landed
|
Track > |
| May 17 | EYW | IAH | 16:53 | 18:13 |
Landed
|
Track > |
| May 16 | EYW | IAH | 18:21 | 19:48 |
Landed Late
|
Track > |
| May 15 | EYW | IAH | 18:41 | 19:53 |
Delayed
|
Track > |
| May 14 | EYW | IAH | 16:48 | 17:58 |
Landed
|
Track > |
| May 13 | EYW | IAH | 16:44 | 18:03 |
Landed
|
Track > |
| May 12 | EYW | IAH | 16:58 | 18:27 |
Landed
|
Track > |
| May 11 | EYW | IAH | 16:58 | 18:53 |
Landed
|
Track > |
United Airlines Flight UA3999 connects Key West, United States to Houston, United States, taking off from Key West International Airport EYW and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA3999 flight from Key West to Houston?
The average flight time from Key West to Houston is 2 hours and 23 minutes. The flight distance is 1470 km / 914 miles and the average flight speed is 617 km/h / 383 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3999 Key West to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA3999 is 4.8/5 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 Thursday, May 21st, 2026 with the flight status being Landed on 18:20.
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.
Other flights departing from Key West EYW: UA3532, AA2077, AA4167, AA1417
Other flights arriving at Houston IAH: UA659, UA6116, OO5095, UA6219
All flights connecting Key West EYW to Houston IAH.