KL671 AmsterdamAMS · 15:20 MontréalYUL · 16:55
KL671 by KLM flies from Amsterdam (AMS) to Montréal (YUL) for the Mon, Sep 7 departure.
arrived at YUL · 2 min late
⚖ KL671 typically leaves +32 and lands −2. 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 −2 min · 2 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at AMS and YUL 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 KL671 actually runs
Pro Flight Search has tracked every published board update for KL671 across the AMS and YUL boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 12 confirmed landings · 7/12 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 KL671 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: PH-AOC, PH-AOD, PH-AOF, PH-AOE.
Board clocks recorded as AMS and YUL published them.
Planning around KL671? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — KL671 Amsterdam to Montréal on-time performance, measured from the AMS and YUL airport boards.
https://proflightsearch.com/flight/KL671
.