Flights UA3522 05:15 Mo We Th Fr Sa · UA2340 varies Su · UA3494 09:49 daily · UA3453 14:38 daily
Direct flights from Portland (PWM) to Washington (IAD): 7 nonstop departures observed each week across 1 airline. 86% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 20 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 Portland and Washington. Updated 7 September 2026 at 10:18 UTC.
of the last 21 operated PWM → IAD flights arrived within 15 minutes
Median arrival delay is −20 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at PWM and IAD: 37% odds of a 15+ minute delay and around +3 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Portland to Washington route actually runs
Pro Flight Search records official board updates for nonstop PWM to IAD 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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Portland (PWM) to Washington (IAD) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/PWM-IAD
PWM to IAD questions
Is PWM–IAD running on time right now?
Smooth skies ahead. The departure side at PWM is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on PWM–IAD?
Operators schedule morning departures around 05:15 and evening departures around 19:35 from PWM. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAD delay card to confirm conditions when you'd arrive.
How long is the flight from PWM to IAD?
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 PWM–IAD fly?
United Airlines runs the route with about 26 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.