| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | SDF | IAD | 14:21 | 15:28 |
Landed
|
Track > |
| Dec 16 | SDF | IAD | 14:13 | 15:23 |
Landed
|
Track > |
| Dec 15 | SDF | IAD | 14:31 | 15:42 |
Landed
|
Track > |
| Dec 14 | SDF | IAD | 14:45 | 15:54 |
Landed
|
Track > |
| Dec 13 | SDF | IAD | 14:22 | 15:23 |
Landed
|
Track > |
| Dec 12 | SDF | IAD | 15:53 | 16:57 |
Delayed
|
Track > |
| Dec 11 | SDF | IAD | 14:21 | 15:33 |
Landed
|
Track > |
| Dec 10 | SDF | IAD | 14:17 | 15:19 |
Landed
|
Track > |
| Dec 09 | SDF | IAD | 14:13 | 15:21 |
Landed
|
Track > |
| Dec 08 | SDF | IAD | 14:27 | 15:39 |
Landed
|
Track > |
United Airlines Flight UA4039 connects Louisville, United States to Washington, United States, taking off from Louisville International Airport SDF and landing at Washington Dulles International Airport IAD.
How long is the UA4039 flight from Louisville to Washington?
The average flight time from Louisville to Washington is 1 hour and 7 minutes. The flight distance is 724 km / 450 miles and the average flight speed is 645 km/h / 401 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4039 Louisville to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA4039 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4039 flight?
The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Landed on 15:28.
How else can the flight UA4039 be referenced as?
This United Airlines flight can also be referenced as UAL4039, UA 4039, UAL 4039.
How often is flight UA4039 delayed?
On average, 30% of all UA4039 flights are delayed. The average delay is 30 minutes.
Can I get compensation for my delayed or cancelled UA4039 flight or baggage issues?
If your UA4039 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 UA4039 Flight Tracker above for more details.
Flight UA4039 is code-shared by 1 airline using the flight number LH7561
Other flights departing from Louisville SDF: AA5393, WN3145, DL3575, 8C2762
Other flights arriving at Washington IAD: UA2264, WN3567, UA2357, UA4467
All flights connecting Louisville SDF to Washington IAD.