Historical on-time performance
Charleston to Nashville
439 miData through Dec 2025Source: US DOT · BTS
Flights on CHS–BNA arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 938 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel0.5%Flights938
Why flights run late
Delay causes
- Airline21%
- Weather2%
- Air traffic (NAS)17%
- Late aircraft59%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CHS → BNA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 96% on time.
- Mornings96% on time · p90 on time · 729 flights
- Middays83% on time · p90 20 min · 612 flights
- Afternoons83% on time · p90 45 min · 80 flights · limited
- Evenings79% on time · p90 35 min · 449 flights
- Overnights70% on time · p90 45 min · 565 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 85% on time.
- Saturdays85% on time · p90 25 min · 323 flights
- Mondays85% on time · p90 25 min · 354 flights
- Tuesdays84% on time · p90 20 min · 326 flights
- Wednesdays83% on time · p90 20 min · 326 flights
- Sundays82% on time · p90 25 min · 406 flights
- Thursdays82% on time · p90 25 min · 349 flights
- Fridays81% on time · p90 25 min · 351 flights
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