How reliable is Domingo Faustino Sarmiento Airport?
Month-by-month weather risk and connection guidance for Domingo Faustino Sarmiento 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 UAQ yet
Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Domingo Faustino Sarmiento 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 San Juan
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 · 99/100 favorability
Roughest month
Most disruptive — low visibility & fog, high winds · 96/100 favorability
The read on UAQ
What the numbers say about flying through Domingo Faustino Sarmiento Airport
PlaneSane doesn't yet have on-time and cancellation history for Domingo Faustino Sarmiento 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, San Juan is an unusually calm-weather airport year-round. April is the calmest stretch for flying, scoring 99 out of 100 for favorable conditions, while July is the most disruptive at 96, driven mainly by low visibility & fog and high winds. 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 San Juan, 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 UAQ
- What is the best month to fly from UAQ for good weather?
- April has the calmest flying weather at Domingo Faustino Sarmiento Airport. July is the most disruptive, mainly from low visibility & fog and high winds.
Planning a trip through San Juan?
Score real flights to and from UAQ on reliability, weather, and connection safety — not just price.