KL1921 AmsterdamAMS · 12:15 ZurichZRH · 13:40
KL1921 by KLM Royal Dutch Airlines flies from Amsterdam (AMS) to Zurich (ZRH) for the Wed, Sep 23 departure.
arrival expected at ZRH · on schedule
board checked 18m ago · checking again in 45s
⚖ KL1921 typically leaves +24 and lands +5. The air wins minutes back.Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival +5 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at AMS and ZRH 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.
How KL1921 actually runs
Pro Flight Search has tracked every published board update for KL1921 across the AMS and ZRH boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 13 confirmed landings · 10/13 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how KL1921 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: PHNXL, PH-NXL, PHNXM, PH-NXM.
Board clocks recorded as AMS and ZRH published them.
Planning around KL1921? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KL1921 Amsterdam to Zurich on-time performance, measured from the AMS and ZRH airport boards.
https://proflightsearch.com/flight/KL1921
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