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Route Reliability

Nashville → Charleston

BNA–CHS · 439 miles · Nashville International Airport to Charleston International Airport

81
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
0.6%
Cancelled
985
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 76% of the time across 985 flights. No comparison to make.

What the data says

Morning flights do better here.

BNA–CHS flights departing between 9 AM–12 PM arrived on time 92% of the time, versus 62% between 6–9 PM.

Thursday is the weak spot.

BNA–CHS flights arrived on time 83% of the time on Saturdays. On Thursdays: 70%.

Recent months have been rougher.

BNA–CHS flights arrived on time 68% of the time over the last three months in the data, compared with 84% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(149 flights)
  • Tue82%(137 flights)
  • Wed77%(135 flights)
  • Thu70%(145 flights)
  • Fri73%(147 flights)
  • Sat83%(121 flights)
  • Sun75%(142 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 9 AM–12 PM92%(367 flights)
  • 12–3 PM67%(48 flights)
  • 3–6 PM71%(312 flights)
  • 6–9 PM62%(245 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
54%
May

Jun 63% → May 54% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%87
July 202568%90
August 202586%77
September 202593%73
October 202580%91
November 202580%86
December 202581%87
January 202684%64
February 202687%63
March 202673%85
April 202676%86
May 202654%87

Keep nerding

Based on 985 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.