FI635Icelandair · KEF → BOS
live · 30m ago
Route confirmed Icelandair

FI635 ReykjavíkKEF BostonBOS

FI635 by Icelandair flies from Reykjavík (KEF) to Boston (BOS).

Right nowNext departure today Operates daily
10:25

scheduled from KEF

The route today

live boards
KEFReykjavíkHigh riskKEF delay board →
BOSBostonOn-time likelyBOS delay board →
KEF→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
40%Chance of 15+ min delay
3.4%Chance of cancellation
+5 minTypical airport delay in this weather

Driven mainly by KEF (Reykjavík), 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

Forecast

Wed 4 Nov, local date

High8°Clikely 7°C to 9°C
Low5°Clikely 3°C to 7°C

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 Boston

Forecast

Wed 4 Nov, local date

High23°Clikely 21°C to 25°C
Low14°Clikely 11°C to 15°C

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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Reykjavík to Boston flights today

same route · Icelandair
FI631departs 17:00
FI633departs 20:25

If 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. 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: 70.3/100. 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

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: FI635 Reykjavík to Boston on-time performance, measured from the KEF and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/FI635
How we measure this →