IAD → PWMWashington to Portland

live

Direct flights from Washington (IAD) to Portland (PWM): 25 nonstop departures observed each week across 1 airline. 89% of the last 19 tracked flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. No cancellations were recorded across the 21 tracked flights. The nonstop covers 793 km, an estimated 1 hour 31 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Portland. Updated 15 November 2026 at 11:48 UTC.

Today, IAD → PWM

Sun 15 Nov · local times
  1. 08:28 UA4390United On schedule PWM est. 10:04sched 10:07

Checked IAD board 06:18 · PWM board 06:48

IAD Washington busy · +26
PWM Portland busy · +21
793 km · ~1h 31m est.
dep bank 08:28–22:1325x weekly
Runs reliable · 1 airline · 25x weekly · nonstop
89% on time

of the last 19 tracked IAD → PWM flights arrived within 15 minutes

Median arrival delay is −17 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−17 minacross the last 19 arrivals
Flight time~1h 31mestimated from route distance
Weekly departures25x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 21

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 AirlinesUA89% on time

Flights UA4390 08:28 daily · UA3709 12:40 daily · UA3664 17:15 daily · UA3651 22:12 Mo

History

operated legs · board outcomes
11-14UA3664dep +7 → arr−30
11-14UA3709dep +43 → arr+7
11-14UA4390dep +19 → arr+1
11-13UA3709dep +5 → arr−21
11-13UA4390dep +19 → arr−3
11-12UA3664dep +154 → arr+122
11-12UA3709dep +4 → arr−27
11-12UA4390dep +25 → arr−6
11-12UA4577departed+69
11-11UA3664dep +19 → arr−15
11-11UA3709dep +12 → arr−24
11-11UA4390dep +5 → arr−22
11-10UA3664dep +8 → arr−26
11-09UA3651dep +9 → arr−21
11-09UA3664dep +13 → arr−15
11-09UA3709dep +89 → arr+57
11-09UA4390departed+24
11-08UA3664dep +17 → arr−23
11-08UA3709dep +15 → arr−17
11-08UA4390dep +24 → arr+0
11-08UA4577dep +8 → arr−19

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 +26 min busy 🌤 mostly cloudy · WNW 5 kt Full IAD delay board →
PWMPortland +21 min busy 🌤 mostly cloudy · WNW 6 kt Full PWM delay board →

Weather lens

Conditions are tightest at IAD and PWM: a 33% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +4 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Washington to Portland route actually runs

Pro Flight Search records official board updates for nonstop IAD to PWM 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 Portland (PWM) route reliability, measured from operated flights on official airport boards.

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

IAD to PWM questions

Is IAD–PWM running on time right now?

Mostly on schedule. The departure side at IAD is the weaker end, route health score 69/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAD–PWM?

Operators schedule morning departures around 08:28 and evening departures around 17:15 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PWM delay card to confirm conditions when you'd arrive.

How long is the flight from IAD to PWM?

Great-circle distance is 793 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 86–98 min gate-to-gate on this route.

How often does IAD–PWM fly?

United Airlines runs the route with about 25 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.