FI635 ReykjavíkKEF BostonBOS
FI635 by Icelandair flies from Reykjavík (KEF) to Boston (BOS).
scheduled from KEF
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at KEF and BOS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Reykjavík to Boston flights today
same route · IcelandairIf FI635 is cancelled, these are the other Icelandair nonstop flights from Reykjavík to Boston on the same day, with scheduled departure times in KEF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How FI635 actually runs
Pro Flight Search has tracked every published board update for FI635 across the KEF and BOS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at KEF and BOS.
The verdict above is that record speaking, so it reflects how FI635 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around FI635? 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 — FI635 Reykjavík to Boston on-time performance, measured from the KEF and BOS airport boards.
https://proflightsearch.com/flight/FI635
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