FI521Icelandair · FRA → KEF
live · 13m ago
Route confirmed Icelandair

FI521 Frankfurt am MainFRA · 13:05 ReykjavíkKEF · 15:55

FI521 by Icelandair flies from Frankfurt am Main (FRA) to Reykjavík (KEF) for the Wed, Nov 11 departure.

Right nowEn route to Reykjavík
15:59

estimated arrival at KEF · local time · ~53 min from now

En routeFI521 · position estimated
FRAFrankfurt am MainKEFReykjavík
Estimated from the boardsarr 15:59

Board estimate · gate and arrival times.

The route today

live boards
FRAFrankfurt am MainModerate riskFRA delay board →
KEFReykjavíkHigh riskKEF delay board →
FRA→KEFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
27%Chance of 15+ min delay
1.2%Chance of cancellation
+2 minTypical airport delay in this weather

Conditions at FRA 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 Frankfurt am Main

Forecast

Thu 12 Nov, local date

High11°Clikely 10°C to 13°C
Low5°Clikely 3°C to 7°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.

Tomorrow at Reykjavík

Forecast

Thu 12 Nov, local date

High5°Clikely 4°C to 7°C
Low−3°Clikely −5°C to −1°C
  • 42% chance of snow
  • 80% 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 Frankfurt am Main to Reykjavík flights today

same route · Icelandair
FI525departs 07:25

If FI521 is cancelled, this is the other Icelandair nonstop flight from Frankfurt am Main to Reykjavík on the same day, with scheduled departure times in FRA 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 FI521 actually runs

Pro Flight Search has tracked every published board update for FI521 across the FRA and KEF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 53.5/100. Based on airport operations, weather, and cached board history at FRA and KEF.

The verdict above is that record speaking, so it reflects how FI521 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-11FRA 13:05KEF 15:55 15:59 (+4)
11-10FRA 13:05KEF

Board clocks recorded as FRA and KEF published them.

Planning around FI521? 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: FI521 Frankfurt am Main to Reykjavík on-time performance, measured from the FRA and KEF airport boards.

Canonical URL
https://proflightsearch.com/flight/FI521
How we measure this →