Historical on-time performance
Charleston to Nashville
439 miData through May 2026Source: US DOT · BTS
Flights on CHS–BNA arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 987 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9030 minCancel0.6%Flights987
Why flights run late
Delay causes
- Airline21%
- Weather1%
- Air traffic (NAS)17%
- Late aircraft60%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather67%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
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 · 705 flights
- Middays82% on time · p90 20 min · 701 flights
- Afternoons82% on time · p90 20 min · 114 flights · limited
- Evenings77% on time · p90 45 min · 467 flights
- Overnights69% on time · p90 45 min · 532 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 85% on time.
- Wednesdays85% on time · p90 15 min · 336 flights
- Saturdays85% on time · p90 25 min · 335 flights
- Tuesdays85% on time · p90 25 min · 336 flights
- Mondays83% on time · p90 25 min · 366 flights
- Sundays80% on time · p90 25 min · 410 flights
- Fridays80% on time · p90 35 min · 369 flights
- Thursdays80% on time · p90 25 min · 367 flights
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