Historical on-time performance
Columbus to Nashville
338 miData through May 2026Source: US DOT · BTS
Flights on CMH–BNA arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 1,005 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time82%Medianon timep9030 minCancel0.8%Flights1,005
Why flights run late
Delay causes
- Airline19%
- Weather4%
- Air traffic (NAS)20%
- Late aircraft58%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline13%
- Weather88%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 8 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 CMH → 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 — 95% on time.
- Mornings95% on time · p90 on time · 1,077 flights
- Middays85% on time · p90 20 min · 252 flights
- Evenings78% on time · p90 40 min · 423 flights
- Afternoons74% on time · p90 40 min · 169 flights · limited
- Overnights73% on time · p90 45 min · 632 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 90% on time.
- Wednesdays90% on time · p90 10 min · 362 flights
- Tuesdays89% on time · p90 15 min · 367 flights
- Saturdays85% on time · p90 20 min · 350 flights
- Thursdays83% on time · p90 25 min · 374 flights
- Mondays82% on time · p90 30 min · 367 flights
- Sundays82% on time · p90 35 min · 361 flights
- Fridays80% on time · p90 30 min · 372 flights
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