How reliable is Cincinnati Northern Kentucky International Airport?
Flights from CVG departed within 15 minutes of schedule in 82% of 246,377 flights in official BTS history — and weather is calmest in Sep. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at CVG looks like
On-time departures
across 246,377 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Cincinnati
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 · 94/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 82/100 favorability
The read on CVG
What the numbers say about flying through Cincinnati Northern Kentucky International Airport
Across official performance history, flights from Cincinnati left within 15 minutes of schedule about 82% of the time over 246,377 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 12 minutes.
On weather, Cincinnati is an unusually calm-weather airport year-round. September is the calmest stretch for flying, scoring 94 out of 100 for favorable conditions, while January is the most disruptive at 82, driven mainly by low visibility & fog and snow. 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 Cincinnati, 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 CVG
- How reliable is Cincinnati Northern Kentucky International Airport (CVG)?
- Flights from Cincinnati left within 15 minutes of schedule roughly 82% of the time across 246,377 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 CVG for good weather?
- September has the calmest flying weather at Cincinnati Northern Kentucky International Airport. January is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Cincinnati?
Score real flights to and from CVG on reliability, weather, and connection safety — not just price.