IcelandairFI82% on time
live
Direct flights from Washington (IAD) to Reykjavík (KEF): 14 nonstop departures observed each week across 2 airlines. 74% of the last 19 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 19 tracked flights. The nonstop covers 4,495 km, an estimated 6 hours 16 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Reykjavík. Updated 8 September 2026 at 23:22 UTC.
IAD
Washington
smooth · +13
KEF
Reykjavík
smooth · +0
4,495 km · ~6h 16m est.
Runs mixed · 2 airlines · 14x weekly · nonstop
74% on time
of the last 19 operated IAD → KEF flights arrived within 15 minutes
Median arrival delay is +1 min. 0 of 19 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+1 minacross the last 19 operated legs
Flight time~6h 16mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 19
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
IcelandairUnited 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 daysUnited AirlinesUA57% on time
Flights UA398 22:35 daily
History
operated legs · board outcomes09-01LXE401Fdeparted+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 IAD and KEF: 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 Reykjavík route actually runs
Pro Flight Search records official board updates for nonstop IAD to KEF 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 Reykjavík (KEF) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAD-KEF
IAD to KEF questions
Is IAD–KEF running on time right now?
Smooth skies ahead. The departure side at IAD is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–KEF?
Operators schedule evening departures around 20:30 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the KEF delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to KEF?
Great-circle distance is 4,495 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 347–415 min gate-to-gate on this route.
How often does IAD–KEF fly?
2 carriers operate this route, around 18 flights a week between them. Compare carrier days and times in the airline list above.
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