How reliable is Olsztyn-Mazury Airport?
Month-by-month weather risk and connection guidance for Olsztyn-Mazury Airport. We don’t yet have on-time performance history here — see why below.
Weather favorability
year-round climate
On-time performance data isn’t available for SZY yet
Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Olsztyn-Mazury 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 Szymany
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 98/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 63/100 favorability
The read on SZY
What the numbers say about flying through Olsztyn-Mazury Airport
PlaneSane doesn't yet have on-time and cancellation history for Olsztyn-Mazury 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, Szymany is an unusually calm-weather airport year-round. May is the calmest stretch for flying, scoring 98 out of 100 for favorable conditions, while December is the most disruptive at 63, driven mainly by low visibility & fog and snow. That's a dramatic seasonal swing — the difference between flying here in its best and worst months is large enough to move your delay odds meaningfully, so timing matters more here than at most airports.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Szymany, 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 SZY
- What is the best month to fly from SZY for good weather?
- May has the calmest flying weather at Olsztyn-Mazury Airport. December is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Szymany?
Score real flights to and from SZY on reliability, weather, and connection safety — not just price.