Informational Guide to Macdonald-Cartier International Airport - Non Official

UA4545 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA4545, 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 Tuesday, September 08, 2026.

UA4545 On Time performance:
66
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA4545 United Airlines to Dulles

Landed - On-time
Flight Status for Tuesday September 08, 2026

Airline information

United Airlines
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 550

Departure

Ottawa (YOW)
September 08, 2026
Ottawa Macdonald-Cartier International Airport
Departed at:
02:42 pm
Gate:
3
Scheduled Departure Time: 02:52 pm

Arrival

Dulles (IAD)
September 08, 2026
Washington Dulles International Airport
Arrived at:
04:19 pm
Terminal:
-
Gate:
A3C
Scheduled Arrival Time: 04:35 pm
Baggage: 6
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:

- AC4692 - Air Canada

Additional Information

Which is the frequency of flight UA4545?
The flight UA4545 is scheduled to flight on daily basis.

Which is the distance of flight UA4545?
The distance between the two airports is 449 miles.

Which is the flight time of flight UA4545?
The scheduled flight time gate to gate is: 01:43 hours.
The real flight time gate to gate on average is: 01:41 hours.

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: UA3561. (On Time performance: 95 - Average Delay: 6 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from June 06, 2026 to September 05, 2026, we have obtained these figures.
Total number of flights: 92
On Time: 61 ( 66 % )
Moderate Delay: 7 ( 8 % )
Significant Delay: 9 ( 10 % )
Major Delay: 13 ( 14 % )
Canceled: 0 ( 0 % )
Diverted: 2 ( 2 % )

Average Delay: 33 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from May 21, 2026 to September 05, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from May 21, 2026 to August 31, 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 UA4545

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
07 September
02:46 pm
Ottawa (YOW)
04:14 pm
Dulles (IAD)
01h 28min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
06 September
02:44 pm
Ottawa (YOW)
04:27 pm
Dulles (IAD)
01h 43min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Saturday
05 September
04:26 pm
Ottawa (YOW)
05:56 pm
Dulles (IAD)
01h 30min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Friday
04 September
02:44 pm
Ottawa (YOW)
04:18 pm
Dulles (IAD)
01h 34min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
03 September
03:50 pm
Ottawa (YOW)
05:29 pm
Dulles (IAD)
01h 39min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Wednesday
02 September
04:22 pm
Ottawa (YOW)
05:55 pm
Dulles (IAD)
01h 33min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Tuesday
01 September
02:40 pm
Ottawa (YOW)
04:15 pm
Dulles (IAD)
01h 35min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
31 August
02:53 pm
Ottawa (YOW)
04:19 pm
Dulles (IAD)
01h 26min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
30 August
02:46 pm
Ottawa (YOW)
04:24 pm
Dulles (IAD)
01h 38min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Saturday
29 August
02:47 pm
Ottawa (YOW)
04:33 pm
Dulles (IAD)
01h 46min
Canadair (Bomb
Canadair (Bomb
Landed - On-time