FI634Icelandair · BOS → KEF
live · 44m ago
Route confirmed Icelandair

FI634 BostonBOS ReykjavíkKEF

FI634 by Icelandair flies from Boston (BOS) to Reykjavík (KEF).

Right nowNext departure tomorrow Operates daily
13:10

scheduled from BOS

The route today

live boards
BOSBostonOn-time likelyBOS delay board →
KEFReykjavíkOn-time likelyKEF delay board →
BOS→KEFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
3.3%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at BOS and KEF are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Boston

Forecast

Wed 4 Nov, local date

High24°Clikely 22°C to 25°C
Low14°Clikely 12°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.

Tomorrow at Reykjavík

Forecast

Wed 4 Nov, local date

High8°Clikely 7°C to 9°C
Low5°Clikely 3°C to 6°C
  • 89% chance of rain

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 Boston to Reykjavík flights today

same route · Icelandair
FI686departs 01:10
FI1442departs 10:00
FI5443departs 12:45
FI5441departs 15:00
FI5532departs 17:30
FI630departs 20:50

If FI634 is cancelled, these are the other Icelandair nonstop flights from Boston to Reykjavík on the same day, with scheduled departure times in BOS 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 FI634 actually runs

Pro Flight Search has tracked every published board update for FI634 across the BOS and KEF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at BOS and KEF.

The verdict above is that record speaking, so it reflects how FI634 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around FI634? 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: FI634 Boston to Reykjavík on-time performance, measured from the BOS and KEF airport boards.

Canonical URL
https://proflightsearch.com/flight/FI634
How we measure this →