| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | SDF | IAD | 05:55 | 07:06 |
Landed
|
Track > |
| May 19 | SDF | IAD | 05:56 | 07:07 |
Landed
|
Track > |
| May 18 | SDF | IAD | 05:58 | 07:10 |
Landed
|
Track > |
| May 17 | SDF | IAD | 06:11 | 07:20 |
Landed
|
Track > |
| May 16 | SDF | IAD | 05:56 | 07:08 |
Landed
|
Track > |
| May 15 | SDF | IAD | 05:57 | 07:12 |
Landed
|
Track > |
| May 14 | SDF | IAD | 05:51 | 06:58 |
Landed
|
Track > |
| May 13 | SDF | IAD | 05:56 | 07:04 |
Landed
|
Track > |
| May 12 | SDF | IAD | 05:49 | 06:57 |
Landed
|
Track > |
| May 11 | SDF | IAD | 05:53 | 07:06 |
Landed
|
Track > |
United Airlines Flight UA3640 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 UA3640 flight from Louisville to Washington?
The average flight time from Louisville to Washington is 1 hour and 10 minutes. The flight distance is 724 km / 450 miles and the average flight speed is 616 km/h / 383 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3640 Louisville to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA3640 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3640 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 07:06.
How else can the flight UA3640 be referenced as?
This United Airlines flight can also be referenced as UAL3640, UA 3640, UAL 3640.
How often is flight UA3640 delayed?
On average, 0% of all UA3640 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3640 flight or baggage issues?
If your UA3640 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 UA3640 Flight Tracker above for more details.
Flight UA3640 is code-shared by 2 airlines using the flight numbers AC4406, CM2672
Other flights departing from Louisville SDF: UA3546, AA4692, AA2977, 8C762
Other flights arriving at Washington IAD: UA3499, UA1238, OO5046, AA5266
All flights connecting Louisville SDF to Washington IAD.