KEF → LHRReykjavík to London

live

Direct flights from Reykjavík (KEF) to London (LHR): 14 nonstop departures observed each week across 2 airlines. 90% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 22 minutes early. 1 of the 21 tracked flights was cancelled. The nonstop covers 1,894 km, an estimated 2 hours 56 minutes in the air. Measured by Pro Flight Search from live flight boards at Reykjavík and London. Updated 16 September 2026 at 03:23 UTC.

KEF Reykjavík busy · +16
LHR London smooth · +0
1,894 km · ~2h 56m est.
dep bank 07:40–16:1014x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
90% on time

of the last 21 operated KEF → LHR flights arrived within 15 minutes

Median arrival delay is −22 min. 1 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−22 minacross the last 21 operated legs
Flight time~2h 56mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled4.8%recent route rate · 1 of 21

The week

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

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
British AirwaysBA86% on time

Flights BA801 varies daily

IcelandairFI93% on time

Flights FI450 07:40 daily · FI454 16:10 daily

History

operated legs · board outcomes
09-15BA801dep −8 → arr−22
09-15FI450dep −3 → arr−26
09-15FI454dep +7 → arr−26
09-14BA801dep +2 → arr−11
09-14FI450dep +8 → arr−6
09-14FI454dep −5 → arr−22
09-13BA801dep +8 → arr−12
09-13FI450dep −2 → arr−35
09-13FI454dep +22 → arr−6
09-12BA801dep +3 → arr−15
09-12FI450dep +14 → arr−8
09-12FI454dep −1 → arr−28
09-11BA801dep +4 → arr−28
09-11FI450dep +4 → arr−32
09-11FI454dep +10 → arr−25
09-10BA801dep −2 → arr−30
09-10FI450dep −1 → arr−22
09-10FI454dep +3 → arr−32
09-09BA801cancelledCNX
09-09FI450dep +21 → arr−2
09-09FI454dep +86 → arr+74

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 +16 min busy 🌫 overcast · SE 19 kt Full KEF delay board →
LHRLondon +0 min smooth 🌤 clear · W 7 kt Full LHR delay board →

Weather lens

Current conditions put the pressure at KEF: 42% odds of a 15+ minute delay and around +11 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 London route actually runs

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

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

KEF to LHR questions

Is KEF–LHR running on time right now?

Mostly on schedule. The departure side at KEF is the weaker end, route health score 69/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on KEF–LHR?

Operators schedule morning departures around 07:40 from KEF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LHR delay card to confirm conditions when you'd arrive.

How long is the flight from KEF to LHR?

Great-circle distance is 1,894 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 164–192 min gate-to-gate on this route.

How often does KEF–LHR fly?

2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.