IAD → KEFWashington to Reykjavík

live

Direct flights from Washington (IAD) to Reykjavík (KEF): 7 nonstop departures observed each week across 1 airline. 63% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is 11 minutes late. No cancellations were recorded across the 8 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 18 October 2026 at 20:52 UTC.

IAD Washington busy · +29
KEF Reykjavík busy · +15
4,495 km · ~6h 16m est.
dep bank 20:30–23:207x weekly
Runs mixed · 1 airline · 7x weekly · nonstop
63% on time

of the last 8 operated IAD → KEF flights arrived within 15 minutes

Median arrival delay is +11 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+11 minacross the last 8 operated legs
Flight time~6h 16mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Icelandair

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 days
IcelandairFI63% on time

Flights FI644 20:30 Mo Tu Th Fr Sa Su · FI648 23:20 We Su

History

operated legs · board outcomes
10-17FI644dep +165 → arr+110
10-16FI644dep +218 → arr+153
10-15FI644dep +14 → arr−20
10-14FI648dep −1 → arr−15
10-13FI644dep +37 → arr+18
10-12FI644dep +5 → arr−20
10-11FI644arrived+11
10-11FI648dep +37 → arr−1

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IADWashington +29 min busy 🌤 clear · NE 5 kt Full IAD delay board →
KEFReykjavík +15 min busy Full KEF delay board →

Weather lens

Current conditions put the pressure at IAD and KEF: 36% odds of a 15+ minute delay and around +4 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

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
https://proflightsearch.com/search-flights/IAD-KEF
How we measure this →

IAD to KEF questions

Is IAD–KEF running on time right now?

Mostly on schedule. The departure side at IAD is the weaker end, route health score 71/100. 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?

Icelandair runs the route with about 8 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.