KL1821 AmsterdamAMS · 16:55 Frankfurt am MainFRA · 18:00
KL1821 by KLM flies from Amsterdam (AMS) to Frankfurt am Main (FRA) for the Wed, Oct 14 departure.
departs AMS · on schedule
board checked 20m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at AMS and FRA 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 Amsterdam to Frankfurt am Main flights today
same route · KLMIf KL1821 is cancelled, these are the other KLM nonstop flights from Amsterdam to Frankfurt am Main on the same day, with scheduled departure times in AMS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How KL1821 actually runs
Pro Flight Search has tracked every published board update for KL1821 across the AMS and FRA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left noticeably late (~25 min) but landed about 5 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how KL1821 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: D-AMWO, DACJJ, D-ACJJ.
Board clocks recorded as AMS and FRA published them.
Planning around KL1821? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KL1821 Amsterdam to Frankfurt am Main on-time performance, measured from the AMS and FRA airport boards.
https://proflightsearch.com/flight/KL1821
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