How reliable is Trollhättan-Vänersborg Airport?
Month-by-month weather risk and connection guidance for Trollhättan-Vänersborg 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 THN yet
Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Trollhättan-Vänersborg 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 Trollhättan
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 · 97/100 favorability
Roughest month
Most disruptive — low visibility & fog, freezing conditions · 81/100 favorability
The read on THN
What the numbers say about flying through Trollhättan-Vänersborg Airport
PlaneSane doesn't yet have on-time and cancellation history for Trollhättan-Vänersborg 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, Trollhättan is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 97 out of 100 for favorable conditions, while January is the most disruptive at 81, driven mainly by low visibility & fog and freezing conditions. 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 Trollhättan, 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 THN
- What is the best month to fly from THN for good weather?
- June has the calmest flying weather at Trollhättan-Vänersborg Airport. January is the most disruptive, mainly from low visibility & fog and freezing conditions.
Planning a trip through Trollhättan?
Score real flights to and from THN on reliability, weather, and connection safety — not just price.