KEF → IADReykjavík to Washington

live

Direct flights from Reykjavík (KEF) to Washington (IAD): 7 nonstop departures observed each week across 1 airline. 100% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. 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 Reykjavík and Washington. Updated 25 October 2026 at 18:52 UTC.

Today, KEF → IAD

Sun 25 Oct · local times
  1. 16:50 FI645Icelandair Left 16:47 ·

Checked KEF board 18:52 · IAD board 15:18

KEF Reykjavík smooth · +8
IAD Washington smooth · +0
4,495 km · ~6h 16m est.
dep bank 16:50–19:507x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

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

Median arrival delay is −7 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−7 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
IcelandairFI100% on time

Flights FI645 16:50 Mo Tu Th Fr Sa Su · FI649 19:50 We Su

History

operated legs · board outcomes
10-25FI645departed−3
10-24FI645dep +26 → arr−7
10-23FI645dep +20 → arr−9
10-22FI645dep −7 → arr−43
10-21FI649dep −4 → arr−14
10-20FI645dep +13 → arr−1
10-19FI645dep +8 → arr+9
10-18FI649dep +19 → arr−7

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
KEFReykjavík +8 min smooth 🌤 mostly cloudy · NNW 10 kt Full KEF delay board →
IADWashington +0 min smooth 🌤 few clouds · 5 kt Full IAD delay board →

Weather lens

Current conditions put the pressure at KEF and IAD: 35% odds of a 15+ minute delay and around +5 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Reykjavík to Washington route actually runs

Pro Flight Search records official board updates for nonstop KEF 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

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 — Reykjavík (KEF) to Washington (IAD) route reliability, measured from operated flights on official airport boards.

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

KEF to IAD questions

Is KEF–IAD running on time right now?

Smooth skies ahead. The departure side at KEF 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 KEF–IAD?

Operators schedule evening departures around 19:50 from KEF. 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 KEF to IAD?

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 KEF–IAD 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.