United AirlinesUA93% on time
Flights UA1536 08:20 daily · UA1746 08:20 Tu We Th Fr Sa · UA3485 12:50 daily · UA4066 17:40 daily
live
Direct flights from Washington (IAD) to Raleigh/Durham (RDU): 7 nonstop departures observed each week across 1 airline. 86% of the last 22 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 22 tracked flights. The nonstop covers 361 km, an estimated 58 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Raleigh/Durham. Updated 13 September 2026 at 19:18 UTC.
IAD
Washington
heavy · +45
RDU
Raleigh/Durham
smooth · +0
361 km · ~0h 58m est.
Runs reliable · 1 airline · 7x weekly · nonstop
86% on time
of the last 22 operated IAD → RDU flights arrived within 15 minutes
Median arrival delay is −8 min. 0 of 22 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−8 minacross the last 22 operated legs
Flight time~0h 58mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 22
The week
scheduled departures · origin local time06121824
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 daysHistory
operated legs · board outcomes09-13TCN783dep +0 → arr+0
09-111I542dep −31 → arr+0
09-111I601dep +15 → arr+15
09-11YV4066dep +22 → arr+18
09-10YV4066dep +15 → arr+14
09-09YV4066dep +21 → arr+19
09-08TCN719departed+0
Actual 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 RDU: 38% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Washington to Raleigh/Durham route actually runs
Pro Flight Search records official board updates for nonstop IAD to RDU 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 Raleigh/Durham (RDU) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAD-RDU
IAD to RDU questions
Is IAD–RDU running on time right now?
Mostly on schedule. The departure side at IAD is the weaker end, route health score 70/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–RDU?
Operators schedule morning departures around 08:20 and evening departures around 17:40 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the RDU delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to RDU?
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 IAD–RDU fly?
United Airlines runs the route with about 33 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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