| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 27 | YOW | IAD | 10:00 | 11:44 |
Delayed
|
Track > |
| Aug 26 | YOW | IAD | 10:16 | 11:44 |
En-Route
|
Track > |
| Aug 18 | YOW | IAD | 10:16 | 11:44 |
En-Route
|
Track > |
| Aug 14 | YOW | IAD | 10:00 | 11:44 |
Scheduled
|
Track > |
| Aug 07 | YOW | IAD | 10:00 | 11:43 |
Scheduled
|
Track > |
| Jul 30 | YOW | IAD | 10:00 | 11:10 |
Landed
|
Track > |
| Jul 29 | YOW | IAD | 10:40 | 11:54 |
Landed
|
Track > |
| Jul 28 | YOW | IAD | 14:00 | 11:43 |
Unknown
|
Track > |
| Jul 27 | YOW | IAD | 10:15 | 11:27 |
Landed
|
Track > |
| Jul 26 | YOW | IAD | 10:06 | 11:21 |
Landed
|
Track > |
United Airlines Flight UA4459 connects Ottawa, Canada to Washington, United States, taking off from Ottawa Macdonald-Cartier International Airport YOW and landing at Washington Dulles International Airport IAD.
How long is the UA4459 flight from Ottawa to Washington?
The average flight time from Ottawa to Washington is 1 hour and 12 minutes. The flight distance is 724 km / 450 miles and the average flight speed is 490 km/h / 305 mph.
How many UA4459 flights are operated per week?
2 flights per week. The flight UA4459 is operated on Wednesday and Thursday.
What is the On-Time Performance (OTP) of United Airlines Flight UA4459 Ottawa to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA4459 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4459 flight?
The latest flight took off on Thursday, August 27th, 2026 with the flight status being Scheduled on 11:44.
How else can the flight UA4459 be referenced as?
This United Airlines flight can also be referenced as UAL4459, UA 4459, UAL 4459.
How often is flight UA4459 delayed?
On average, 10% of all UA4459 flights are delayed. The average delay is 11 minutes.
Can I get compensation for my delayed or cancelled UA4459 flight or baggage issues?
If your UA4459 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 UA4459 Flight Tracker above for more details.
Other flights departing from Ottawa YOW: RV1919, PD325, G74459, QK8869
Other flights arriving at Washington IAD: UA525, G74459, UA1858, YV6114
All flights connecting Ottawa YOW to Washington IAD.
