Historical on-time performance
Nashville to Charleston
439 miData through Dec 2025Source: US DOT · BTS
Flights on BNA–CHS arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 936 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.7%Flights936
Why flights run late
Delay causes
- Airline14%
- Weather5%
- Air traffic (NAS)9%
- Late aircraft72%
- 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 BNA → CHS
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 — 92% on time.
- Mornings92% on time · p90 10 min · 520 flights
- Middays87% on time · p90 15 min · 566 flights
- Afternoons74% on time · p90 40 min · 336 flights
- Evenings73% on time · p90 40 min · 572 flights
- Overnights66% on time · p90 55 min · 439 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 84% on time.
- Saturdays84% on time · p90 20 min · 323 flights
- Tuesdays82% on time · p90 25 min · 326 flights
- Wednesdays81% on time · p90 30 min · 324 flights
- Mondays79% on time · p90 35 min · 354 flights
- Sundays77% on time · p90 40 min · 406 flights
- Thursdays77% on time · p90 35 min · 349 flights
- Fridays75% on time · p90 35 min · 351 flights
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