How reliable is Mário Ribeiro Airport?
Flights from MOC avoided significant airline-controlled delay in 88% of 11,806 flights in official ANAC history — and weather is calmest in May. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the airline-controlled delay record at MOC looks like
Avoided 15+ min controlled delay
across 11,806 flights
Source: ANAC VRA · data through 2026-06-25. Origin-grouped, cause-attributed operational history; it is not a direct departure-punctuality measure or a guarantee for any flight.
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Weather by month
When the weather works for you at Montes Claros
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 · 100/100 favorability
Roughest month
Most disruptive — thunderstorms, low visibility & fog · 95/100 favorability
The read on MOC
What the numbers say about flying through Mário Ribeiro Airport
Across official performance history, flights from Montes Claros avoided significant airline-controlled delay about 88% of the time over 11,806 flights. That's one of the more dependable operational records you'll see. Pair it with an elevated cancellation rate of 2.5% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 0 minutes.
On weather, Montes Claros is an unusually calm-weather airport year-round. May is the calmest stretch for flying, scoring 100 out of 100 for favorable conditions, while January is the most disruptive at 95, driven mainly by thunderstorms 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 Montes Claros, 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 MOC
- How reliable is Mário Ribeiro Airport (MOC)?
- Flights from Montes Claros avoided significant airline-controlled delay roughly 88% of the time across 11,806 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 2.5%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from MOC for good weather?
- May has the calmest flying weather at Mário Ribeiro Airport. January is the most disruptive, mainly from thunderstorms and low visibility & fog.
Planning a trip through Montes Claros?
Score real flights to and from MOC on reliability, weather, and connection safety — not just price.