| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | IAD | SDF | 20:35 | 19:42 |
Unknown
|
Track > |
| May 19 | IAD | SDF | 18:15 | 19:22 |
Landed
|
Track > |
| May 18 | IAD | SDF | 18:06 | 19:18 |
Landed
|
Track > |
| May 17 | IAD | SDF | 17:56 | 19:09 |
Landed
|
Track > |
| May 16 | IAD | SDF | 18:09 | 19:22 |
Landed
|
Track > |
| May 15 | IAD | SDF | 18:01 | 19:18 |
Landed
|
Track > |
| May 14 | IAD | SDF | 18:15 | 19:24 |
Landed
|
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| May 13 | IAD | SDF | 19:18 | 21:09 |
Delayed
|
Track > |
| May 12 | IAD | SDF | 18:13 | 19:29 |
Landed
|
Track > |
| May 11 | IAD | SDF | 17:54 | 19:11 |
Landed
|
Track > |
United Airlines Flight UA4063 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 UA4063 flight from Washington to Louisville?
The average flight time from Washington to Louisville is 1 hour and 17 minutes. The flight distance is 724 km / 450 miles and the average flight speed is 554 km/h / 344 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4063 Washington to Louisville?
The Airportia On-Time Performance Rating for United Airlines Flight UA4063 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4063 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Unknown on 19:42.
How else can the flight UA4063 be referenced as?
This United Airlines flight can also be referenced as UAL4063, UA 4063, UAL 4063.
How often is flight UA4063 delayed?
On average, 10% of all UA4063 flights are delayed. The average delay is 87 minutes.
Can I get compensation for my delayed or cancelled UA4063 flight or baggage issues?
If your UA4063 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 UA4063 Flight Tracker above for more details.
Flight UA4063 is code-shared by 3 airlines using the flight numbers AC4428, CM2666, LH9258
Other flights departing from Washington IAD: LF3904, TP232, UA1470, UA251
Other flights arriving at Louisville SDF: AA5635, MX1067, AA4515, WN3376
All flights connecting Washington IAD to Louisville SDF.