UA4459 United Airlines - Flight Status
Codeshare Flights
The flight AC4696 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA4459. Check this page for details about flight UA4459.
Below, you can find details about United Airlines flight UA4459, which currently operates between the airports of Ottawa - Ottawa Macdonald-Cartier International Airport (Airport Code YOW) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Monday, May 25, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4459
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4459
UA4459 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
UA4459 United Airlines to Dulles
Scheduled - Delayed
Delay: 569 minutes
Flight Status for Monday May 25, 2026
Scheduled - Delayed
Delay: 569 minutes
Flight Status for Monday May 25, 2026
Airline information
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 550
Departure
Ottawa (YOW)
May 25, 2026
Ottawa Macdonald-Cartier International Airport
Estimated Departure Time:
07:30 pm
Gate:
5
Scheduled Departure Time: 10:00 am
Arrival
Dulles (IAD)
May 25, 2026
Washington Dulles International Airport
Estimated Arrival Time:
09:13 pm
Terminal:
-
Gate:
D27
Scheduled Arrival Time: 11:43 am
Baggage: 5
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.ottawa-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC4696 - Air Canada
Additional Information
Which is the frequency of flight UA4459?
The flight UA4459 is scheduled to flight on Monday, Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA4459?
The distance between the two airports is 449 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA4459 is scheduled to flight on Monday, Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA4459?
The distance between the two airports is 449 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airline serve the same route between Ottawa and Dulles:
United Airlines - Flight Number: UA3497. (On Time performance: 86 - Average Delay: 11 minutes)
United Airlines - Flight Number: UA3497. (On Time performance: 86 - Average Delay: 11 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from May 02, 2025 to January 05, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from May 02, 2025 to January 05, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights UA4459
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
24 May
24 May
09:50 am
Ottawa (YOW)
Ottawa (YOW)
11:25 am
Dulles (IAD)
Dulles (IAD)
01h 35min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Saturday
23 May
23 May
09:50 am
Ottawa (YOW)
Ottawa (YOW)
11:26 am
Dulles (IAD)
Dulles (IAD)
01h 36min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
22 May
22 May
09:53 am
Ottawa (YOW)
Ottawa (YOW)
11:39 am
Dulles (IAD)
Dulles (IAD)
01h 46min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
21 May
21 May
10:37 am
Ottawa (YOW)
Ottawa (YOW)
12:21 pm
Dulles (IAD)
Dulles (IAD)
01h 44min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed