Flights UA1789 06:00 daily · UA1535 10:39 daily · UA4035 15:00 Mo Tu We Th Fr Su · UA6176 20:00 daily
Direct flights from Raleigh/Durham (RDU) to Washington (IAD): 27 nonstop departures observed each week across 1 airline. 85% of the last 34 tracked flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. No cancellations were recorded across the 34 tracked flights. The nonstop covers 361 km, an estimated 58 minutes in the air. Measured by Pro Flight Search from live flight boards at Raleigh/Durham and Washington. Updated 3 November 2026 at 20:18 UTC.
Today, RDU → IAD
Tue 3 Nov · local times- 06:00 UA1789United Left 06:39 +39 Landed 07:22 +11
- 10:39 UA1535United Left 10:49 +10 Landed 11:31 −19
- 15:00 UA4035United Sched 15:00Departure not confirmed by the board IAD 16:15scheduled
- 15:00 YV4035Mesa Airlines Est. 15:00Departure not confirmed by the board IAD est. 15:56 +15sched 15:41
Checked RDU board 15:03 · IAD board 15:18
of the last 34 tracked RDU → IAD flights arrived within 15 minutes
Median arrival delay is −7 min. 0 of 34 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
Conditions are tightest at RDU and IAD: a 36% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +5 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the Raleigh/Durham to Washington route actually runs
Pro Flight Search records official board updates for nonstop RDU 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: Raleigh/Durham (RDU) to Washington (IAD) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/RDU-IAD
RDU to IAD questions
Is RDU–IAD running on time right now?
Smooth skies ahead. The departure side at RDU is the weaker end, route health score 94/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on RDU–IAD?
Operators schedule morning departures around 06:00 and evening departures around 20:00 from RDU. 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 RDU to IAD?
Great-circle distance is 361 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 55–61 min gate-to-gate on this route.
How often does RDU–IAD fly?
United Airlines runs the route with about 27 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.