Aer LingusEI78% on time
live
Direct flights from Washington (IAD) to Dublin (DUB): 14 nonstop departures observed each week across 2 airlines. 53% of the last 17 operated flights arrived within 15 minutes of schedule. The median arrival is 15 minutes late. No cancellations were recorded across the 17 tracked flights. The nonstop covers 5,464 km, an estimated 7 hours 30 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Dublin. Updated 10 September 2026 at 07:08 UTC.
IAD
Washington
busy · +22
DUB
Dublin
smooth · +0
5,464 km · ~7h 30m est.
Runs rough · 2 airlines · 14x weekly · nonstop
53% on time
of the last 17 operated IAD → DUB flights arrived within 15 minutes
Median arrival delay is +15 min. 0 of 17 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+15 minacross the last 17 operated legs
Flight time~7h 30mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 17
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Aer LingusUnited 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 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 DUB: 49% odds of a 15+ minute delay and around +13 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 Washington to Dublin route actually runs
Pro Flight Search records official board updates for nonstop IAD to DUB 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 Dublin (DUB) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAD-DUB
IAD to DUB questions
Is IAD–DUB running on time right now?
Smooth skies ahead. The departure side at IAD is the weaker end, route health score 85/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–DUB?
Operators schedule evening departures around 17:15 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DUB delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to DUB?
Great-circle distance is 5,464 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 416–498 min gate-to-gate on this route.
How often does IAD–DUB fly?
2 carriers operate this route, around 28 flights a week between them. Compare carrier days and times in the airline list above.
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