| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | IAH | SDF | 08:47 | 11:44 |
Landed
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| Jul 17 | IAH | SDF | 08:39 | 11:26 |
Landed
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| Jul 16 | IAH | SDF | 08:59 | 11:45 |
Landed
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| Jul 15 | IAH | SDF | 08:38 | 11:33 |
Landed
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| Jul 14 | IAH | SDF | 09:07 | 12:06 |
Landed
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| Jul 13 | IAH | SDF | 08:39 | 11:35 |
Landed
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| Jul 12 | IAH | SDF | 08:34 | 11:25 |
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| Jul 11 | IAH | SDF | 08:42 | 11:34 |
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| Jul 10 | IAH | SDF | 08:42 | 11:38 |
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| Jul 09 | IAH | SDF | 08:31 | 11:27 |
Landed
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United Airlines Flight UA3990 connects Houston, United States to Louisville, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Louisville International Airport SDF.
How long is the UA3990 flight from Houston to Louisville?
The average flight time from Houston to Louisville is 1 hour and 53 minutes. The flight distance is 1268 km / 788 miles and the average flight speed is 671 km/h / 417 mph.
How many UA3990 flights are operated per week?
7 flights per week. The flight UA3990 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3990 Houston to Louisville?
The Airportia On-Time Performance Rating for United Airlines Flight UA3990 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3990 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being Landed on 11:44.
How else can the flight UA3990 be referenced as?
This United Airlines flight can also be referenced as UAL3990, UA 3990, UAL 3990.
How often is flight UA3990 delayed?
On average, 10% of all UA3990 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled UA3990 flight or baggage issues?
If your UA3990 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 UA3990 Flight Tracker above for more details.
Flight UA3990 is code-shared by 1 airline using the flight number NZ6659
Other flights departing from Houston IAH: UA2744, UA2816, AA1937, 5Y8296
Other flights arriving at Louisville SDF: UA3421, DL4988, WN4466, WN3606
All flights connecting Houston IAH to Louisville SDF.