| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | IAD | YOW | 23:03 | 00:13 |
Landed Late
|
Track > |
| May 19 | IAD | YOW | 22:07 | 23:54 |
Delayed >3h
|
Track > |
| May 18 | IAD | YOW | 22:28 | 23:35 |
Landed
|
Track > |
| May 17 | IAD | YOW | 22:51 | 23:55 |
Landed
|
Track > |
| May 16 | IAD | YOW | 22:20 | 23:31 |
Landed
|
Track > |
| May 15 | IAD | YOW | 22:58 | 00:05 |
Landed
|
Track > |
| May 14 | IAD | YOW | 22:26 | 23:36 |
Landed
|
Track > |
| May 13 | IAD | YOW | 01:03 | 23:54 |
Unknown
|
Track > |
| May 12 | IAD | YOW | 22:38 | 23:46 |
Landed
|
Track > |
| May 11 | IAD | YOW | 22:30 | 23:44 |
Landed
|
Track > |
United Airlines Flight UA4451 connects Washington, United States to Ottawa, Canada, taking off from Washington Dulles International Airport IAD and landing at Ottawa Macdonald-Cartier International Airport YOW.
How long is the UA4451 flight from Washington to Ottawa?
The average flight time from Washington to Ottawa is 1 hour and 8 minutes. The flight distance is 724 km / 450 miles and the average flight speed is 587 km/h / 365 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4451 Washington to Ottawa?
The Airportia On-Time Performance Rating for United Airlines Flight UA4451 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4451 flight?
The latest flight took off on Thursday, May 21st, 2026 with the flight status being Landed on 00:13.
How else can the flight UA4451 be referenced as?
This United Airlines flight can also be referenced as UAL4451, UA 4451, UAL 4451.
How often is flight UA4451 delayed?
On average, 30% of all UA4451 flights are delayed. The average delay is 10 minutes.
Can I get compensation for my delayed or cancelled UA4451 flight or baggage issues?
If your UA4451 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 UA4451 Flight Tracker above for more details.
Flight UA4451 is code-shared by 1 airline using the flight number AC4695
Other flights departing from Washington IAD: UA2294, UA2265, UA3566, UA3635
Other flights arriving at Ottawa YOW: UA3660, UA3402
All flights connecting Washington IAD to Ottawa YOW.
