IAD → YOWWashington to Ottawa

live

Direct flights from Washington (IAD) to Ottawa (YOW): 7 nonstop departures observed each week across 1 airline. 68% of the last 28 operated flights arrived within 15 minutes of schedule. The median arrival is 12 minutes late. No cancellations were recorded across the 28 tracked flights. The nonstop covers 724 km, an estimated 1 hour 26 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Ottawa. Updated 13 September 2026 at 10:25 UTC.

IAD Washington heavy · +48
YOW Ottawa tracking
724 km · ~1h 26m est.
dep bank 08:15–22:107x weekly
Runs mixed · 1 airline · 7x weekly · nonstop
68% on time

of the last 28 operated IAD → YOW flights arrived within 15 minutes

Median arrival delay is +12 min. 0 of 28 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+12 minacross the last 28 operated legs
Flight time~1h 26mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 28

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
United AirlinesUA68% on time

Flights UA3629 08:15 daily · UA4424 12:35 daily · UA4418 17:11 daily · UA3566 22:10 daily

History

operated legs · board outcomes
09-12UA3566departed+59
09-12UA3629departed+15
09-12UA4418departed+21
09-12UA4424departed+10
09-11UA3566departed+15
09-11UA3629departed+8
09-11UA4418departed+11
09-11UA4424departed+11
09-10UA3566departed+12
09-10UA3629departed+13
09-10UA4418departed+15
09-10UA4424departed+19
09-09UA3566departed+4
09-09UA3629departed+5
09-09UA4418departed+6
09-09UA4424departed+20
09-08UA3566departed+6
09-08UA3629departed+12
09-08UA4418departed+23
09-08UA4424departed+8
09-07UA3566departed+20
09-07UA3629departed+25
09-07UA4418departed+25
09-07UA4424departed+9
09-06UA3566departed+37
09-06UA3629departed+5
09-06UA4418departed+11
09-06UA4424departed+7

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IADWashington +48 min heavy ⛅ overcast · SSE 5 kt Full IAD delay board →
YOWOttawa tracking Full YOW delay board →

How the Washington to Ottawa route actually runs

Pro Flight Search records official board updates for nonstop IAD to YOW flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Washington (IAD) to Ottawa (YOW) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IAD-YOW
How we measure this →

IAD to YOW questions

Is IAD–YOW running on time right now?

Significant delay risk. The departure side at IAD is the weaker end, route health score 36/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAD–YOW?

Operators schedule morning departures around 08:15 and evening departures around 17:11 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the YOW delay card to confirm conditions when you'd arrive.

How long is the flight from IAD to YOW?

Great-circle distance is 724 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 81–92 min gate-to-gate on this route.

How often does IAD–YOW fly?

United Airlines runs the route with about 28 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.