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Route Reliability

Charleston → Nashville

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

85
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
5 min
Average arrival delay
0.6%
Cancelled
987
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 987 flights. No comparison to make.

What the data says

Morning flights do better here.

CHS–BNA flights departing between 6–9 AM arrived on time 97% of the time, versus 65% between 9 PM–12 AM.

Thursday is the weak spot.

CHS–BNA flights arrived on time 87% of the time on Saturdays. On Thursdays: 74%.

Recent months have been rougher.

CHS–BNA flights arrived on time 77% of the time over the last three months in the data, compared with 88% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon86%(145 flights)
  • Tue85%(137 flights)
  • Wed85%(137 flights)
  • Thu74%(147 flights)
  • Fri80%(145 flights)
  • Sat87%(121 flights)
  • Sun74%(143 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM97%(296 flights)
  • 9 AM–12 PM85%(116 flights)
  • 12–3 PM79%(209 flights)
  • 3–6 PM82%(51 flights)
  • 6–9 PM67%(235 flights)
  • 9 PM–12 AM65%(66 flights)
On-time trend by month
72%
May

Jun 82% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%85
July 202578%89
August 202584%77
September 202582%72
October 202579%92
November 202581%86
December 202587%91
January 202692%63
February 202686%63
March 202679%84
April 202679%86
May 202672%87

Keep nerding

Based on 987 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.