| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | IAD | SDF | 17:23 | 18:48 |
Landed
|
Track > |
| Jan 04 | IAD | SDF | 17:25 | 18:44 |
Landed
|
Track > |
| Jan 03 | IAD | SDF | 17:33 | 18:50 |
Landed
|
Track > |
| Jan 02 | IAD | SDF | 17:55 | 19:16 |
Landed
|
Track > |
| Jan 01 | IAD | SDF | 17:33 | 18:58 |
Landed
|
Track > |
| Dec 31 | IAD | SDF | 17:37 | 18:59 |
Landed
|
Track > |
| Dec 30 | IAD | SDF | 17:25 | 18:44 |
Landed
|
Track > |
| Dec 29 | IAD | SDF | 18:37 | 19:57 |
Landed Late
|
Track > |
| Dec 28 | IAD | SDF | 17:35 | 18:57 |
Landed
|
Track > |
| Dec 27 | IAD | SDF | 17:26 | 18:49 |
Landed
|
Track > |
United Airlines Flight UA6251 connects Washington, United States to Louisville, United States, taking off from Washington Dulles International Airport IAD and landing at Louisville International Airport SDF.
How long is the UA6251 flight from Washington to Louisville?
The average flight time from Washington to Louisville is 1 hour and 21 minutes. The flight distance is 724 km / 450 miles and the average flight speed is 535 km/h / 333 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA6251 Washington to Louisville?
The Airportia On-Time Performance Rating for United Airlines Flight UA6251 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA6251 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 18:48.
How else can the flight UA6251 be referenced as?
This United Airlines flight can also be referenced as UAL6251, UA 6251, UAL 6251.
How often is flight UA6251 delayed?
On average, 20% of all UA6251 flights are delayed. The average delay is 25 minutes.
Can I get compensation for my delayed or cancelled UA6251 flight or baggage issues?
If your UA6251 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 UA6251 Flight Tracker above for more details.
Flight UA6251 is code-shared by 3 airlines using the flight numbers AC4405, CM2666, LH9258
Other flights departing from Washington IAD: UA3626, UA4511, UA4564, UA4603
Other flights arriving at Louisville SDF: G41388, AA797, WN2319, WN1910
All flights connecting Washington IAD to Louisville SDF.