FI454 ReykjavíkKEF · 16:20 LondonLHR · 19:30
FI454 by Icelandair flies from Reykjavík (KEF) to London (LHR) for the Sun, Nov 8 departure.
departs KEF · on schedule
board checked 12m ago · checking again in 45s
⚖ FI454 typically leaves +1 and lands −21. The air wins minutes back.Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −21 min · 0 cancelled · 14 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by LHR (London), currently flying IFR (instrument). These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at Reykjavík
ForecastMon 9 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at London
ForecastMon 9 Nov, local date
- 58% chance of fog
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Reykjavík to London flights today
same route · IcelandairIf FI454 is cancelled, this is the other Icelandair nonstop flight from Reykjavík to London on the same day, with scheduled departure times in KEF local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How FI454 actually runs
Pro Flight Search has tracked every published board update for FI454 across the KEF and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how FI454 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as KEF and LHR published them.
Planning around FI454? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: FI454 Reykjavík to London on-time performance, measured from the KEF and LHR airport boards.
https://proflightsearch.com/flight/FI454
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