KEF → DENReykjavík to Denver

live

Direct flights from Reykjavík (KEF) to Denver (DEN): 7 nonstop departures observed each week across 1 airline. 83% of the last 12 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 12 tracked flights. The nonstop covers 5,727 km, an estimated 7 hours 51 minutes in the air. Measured by Pro Flight Search from live flight boards at Reykjavík and Denver. Updated 16 September 2026 at 23:45 UTC.

KEF Reykjavík smooth · +8
DEN Denver smooth · +0
5,727 km · ~7h 51m est.
dep bank 10:45–16:507x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
83% on time

of the last 12 operated KEF → DEN flights arrived within 15 minutes

Median arrival delay is +2 min. 0 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+2 minacross the last 12 operated legs
Flight time~7h 51mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 12

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
IcelandairFI83% on time

Flights FI673 10:45 We Th Fr Sa Su · FI671 16:50 daily

History

operated legs · board outcomes
09-16FI671dep +12 → arr+2
09-15FI671dep +9 → arr+14
09-14FI671dep +5 → arr+71
09-13FI671dep +7 → arr−27
09-13FI673dep +7 → arr−7
09-12FI671dep +20 → arr+5
09-12FI673dep +231 → arr+247
09-11FI671dep +9 → arr−1
09-11FI673dep +3 → arr+13
09-10FI671dep −1 → arr−41
09-10FI673dep −7 → arr−14
09-09FI671dep +21 → arr−6

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 Full KEF delay board →
DENDenver +0 min smooth Full DEN delay board →

Weather lens

Current conditions put the pressure at KEF and DEN: 42% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Reykjavík to Denver route actually runs

Pro Flight Search records official board updates for nonstop KEF to DEN 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 Denver (DEN) route reliability, measured from operated flights on official airport boards.

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

KEF to DEN questions

Is KEF–DEN 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–DEN?

Operators schedule morning departures around 10:45 from KEF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DEN delay card to confirm conditions when you'd arrive.

How long is the flight from KEF to DEN?

Great-circle distance is 5,727 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 434–521 min gate-to-gate on this route.

How often does KEF–DEN fly?

Icelandair runs the route with about 12 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.