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✈️ Prague (PRG) ⇄ Keflavik (KEF): turbulence forecast

Checking whether your PRG–KEF flight will be bumpy? RideScore samples the live forecast winds at cruise altitude along the actual Prague–Keflavik route and scores every leg of the flight, in plain English.

Live forecast PRG → KEF KEF → PRG
Distance2,653 km / 1,648 mi
Est. flight time~3h 37m
Time difference2h time behind at KEF
AirportsVáclav Havel Prague · Keflavik Intl

What makes this route bumpy (or not)

Turbulence here mostly depends on the day's winds aloft — where the fast air sits and how sharply it changes with altitude. That's exactly what the live forecast checks.

How the forecast works

RideScore reads the same global weather models professionals use (NOAA GFS / ECMWF via Open-Meteo), computes wind shear, jet-stream strength and storm energy at up to 11 points along the PRG–KEF great-circle, and turns it into a simple 0–10 bumpiness score for each leg of your flight — plus recent pilot reports from aircraft that just flew nearby. It's free, with no account and no tracking, and works up to 16 days ahead.

Common questions

Is the PRG to KEF flight usually turbulent?
It varies day to day with the winds aloft. Turbulence here mostly depends on the day's winds aloft — where the fast air sits and how sharply it changes with altitude. That's exactly what the live forecast checks. Check the live forecast on RideScore just before you fly — it samples the actual forecast winds along the Prague–Keflavik route at cruise altitude.
How long is the flight from Prague to Keflavik?
The great-circle distance is about 2,653 km (1,648 miles), which works out to roughly 3h 37m in the air depending on winds and routing.
Is turbulence on this route dangerous?
No — turbulence is uncomfortable, not dangerous to the aircraft. Modern jets are built for far worse than anything encountered in normal service, and pilots route around the roughest air. Keep your seatbelt fastened and it is a non-event.

More routes from Prague (PRG) · More routes from Keflavik (KEF)

This page shows typical route characteristics; conditions on your day will differ — run the live forecast. Estimates only, not an aviation weather briefing. © 2026 RideScore · made with ❤️ in Amsterdam · About · Terms