How reliable is Nashville International Airport?
Flights from BNA departed within 15 minutes of schedule in 78% of 574,258 flights in official BTS history — and weather is calmest in Jun. 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 BNA looks like
On-time departures
across 574,258 flights
Source: BTS Airport Operations · data through 2026-08-08. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
Weather by month
When the weather works for you at Nashville
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, snow · 88/100 favorability
Connecting through BNA
How much layover you really need
Based on 88 sellable domestic itineraries seen through Google Flights. Median observed layover: 70 min.
Observed windows come from normalized SearchAPI / Google Flights itineraries. They are not official airport MCTs. We score every connecting itinerary against conservative connection floors.
The read on BNA
What the numbers say about flying through Nashville International Airport
Across official performance history, flights from Nashville left within 15 minutes of schedule about 78% of the time over 574,258 flights. That's a respectable but unspectacular operational record. Pair it with a moderate cancellation rate of 1.7%. When a departure does run late, the typical delay is around 13 minutes.
On weather, Nashville is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 97 out of 100 for favorable conditions, while February is the most disruptive at 88, 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.
If you're connecting through BNA, give yourself room. Real itineraries sold through BNA bottom out around 49 minutes for a domestic connection. Those are floors, not comfortable buffers — one inbound delay can erase them, so add margin when the connection matters.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Nashville, 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 BNA
- How reliable is Nashville International Airport (BNA)?
- Flights from Nashville left within 15 minutes of schedule roughly 78% of the time across 574,258 flights of official history — a respectable but unspectacular operational record. The cancellation rate runs about 1.7%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from BNA for good weather?
- June has the calmest flying weather at Nashville International Airport. February is the most disruptive, mainly from low visibility & fog and snow.
- How much layover time do you need at BNA?
- Allow at least about 49 minutes for a domestic connection as a floor. These are minimums, not comfortable buffers — a single inbound delay can wipe them out, so add margin when you can.
Reliability guides
Planning a trip through Nashville?
Score real flights to and from BNA on reliability, weather, and connection safety — not just price.