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Niagara District Airport
Niagara-on-the-Lake · YCM · CA

How reliable is Niagara District Airport?

Month-by-month weather risk and connection guidance for Niagara District Airport. We don’t yet have on-time performance history here — see why below.

0.0

Weather favorability

year-round climate

IATA / ICAO
YCM · CYSN
Time zone
America/Toronto
Coordinates
43.19, -79.17

On-time performance data isn’t available for YCM yet

Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Niagara District Airport yet. Weather climatology below comes from global airport observations and still applies.

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Weather by month

When the weather works for you at Niagara-on-the-Lake

A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.

Calm-weather score025507510081J84F89M94A96M96J96J98A96S96O92N84D
Calm (80+)Mixed (60–79)Disruptive (<60)

Calmest month

Aug

Calmest flying weather of the year · 98/100 favorability

Roughest month

Jan

Most disruptivesnow, low visibility & fog · 81/100 favorability

The read on YCM

What the numbers say about flying through Niagara District Airport

PlaneSane doesn't yet have on-time and cancellation history for Niagara District Airport, so it isn't scored for departure reliability here — that record currently covers the US, UK, Brazil, and Australia. The weather and connection context below comes from separate global sources and still applies.

On weather, Niagara-on-the-Lake is an unusually calm-weather airport year-round. August is the calmest stretch for flying, scoring 98 out of 100 for favorable conditions, while January is the most disruptive at 81, driven mainly by snow and low visibility & fog. The year is relatively steady, so no single month stands out as one to avoid on weather alone.

None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Niagara-on-the-Lake, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.

Common questions about YCM

What is the best month to fly from YCM for good weather?
August has the calmest flying weather at Niagara District Airport. January is the most disruptive, mainly from snow and low visibility & fog.

Planning a trip through Niagara-on-the-Lake?

Score real flights to and from YCM on reliability, weather, and connection safety — not just price.