Columbus (CMH) to Nashville (BNA): On-Time Performance
Data through July 2026
When you fly CMH to BNA matters as much as anything else about the booking: the route swung from 99% on-time in October 2024 to just 74% in July 2025. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 75%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 2.8
- last 12 months
- Duration
- 1h 24m
- scheduled
- Distance
- 338 mi
Monthly on-time trend
Best time to fly from CMH to BNA
Aim for departures around 6 a.m. (96% on-time); avoid 2 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 10 min |
| Tuesday | 89% | 8 min |
| Wednesdaybest | 89% | 6 min |
| Thursday | 82% | 9 min |
| Friday | 80% | 9 min |
| Saturday | 86% | 8 min |
| Sunday | 85% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft58%
- Airline operations21%
- National airspace system18%
- Weather3%
Frequently asked questions
- How often are flights from CMH to BNA delayed?
- 16% of CMH–BNA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
- What is the best time of day to fly from CMH to BNA?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 2 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CMH to BNA?
- The scheduled CMH–BNA flight time averages 1h 24m over 338 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are CMH to BNA flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from CMH to BNA?
- July 2025 was the roughest month in this dataset, with only 74% of arrivals on time. The best was October 2024 at 99%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 1,964 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.