How reliable is Tancredo Neves International Airport?
Flights from CNF avoided significant airline-controlled delay in 84% of 269,722 flights in official ANAC history — and weather is calmest in Jul. 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 CNF looks like
Avoided 15+ min controlled delay
across 269,722 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 Belo Horizonte
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 — low visibility & fog, thunderstorms · 84/100 favorability
The read on CNF
What the numbers say about flying through Tancredo Neves International Airport
Across official performance history, flights from Belo Horizonte avoided significant airline-controlled delay about 84% of the time over 269,722 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 2.0%. When a departure does run late, the typical delay is around 3 minutes.
On weather, Belo Horizonte is an unusually calm-weather airport year-round. July is the calmest stretch for flying, scoring 100 out of 100 for favorable conditions, while January is the most disruptive at 84, driven mainly by low visibility & fog and thunderstorms. 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 Belo Horizonte, 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 CNF
- How reliable is Tancredo Neves International Airport (CNF)?
- Flights from Belo Horizonte avoided significant airline-controlled delay roughly 84% of the time across 269,722 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 2.0%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from CNF for good weather?
- July has the calmest flying weather at Tancredo Neves International Airport. January is the most disruptive, mainly from low visibility & fog and thunderstorms.
Planning a trip through Belo Horizonte?
Score real flights to and from CNF on reliability, weather, and connection safety — not just price.