Nashville (BNA) to Charleston (CHS): On-Time Performance
Data through May 2026
The calendar drives reliability on BNA–CHS. September 2025 flights landed on schedule 93% of the time, but May 2026 dropped to 52% — a gap of 42 points. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 68%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 28m
- scheduled
- Distance
- 439 mi
Monthly on-time trend
Best time to fly from BNA to CHS
Aim for departures around 10 a.m. (91% on-time); avoid 8 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 13 min |
| Tuesday | 82% | 9 min |
| Wednesday | 81% | 10 min |
| Thursday | 74% | 12 min |
| Friday | 73% | 17 min |
| Saturdaybest | 83% | 9 min |
| Sunday | 78% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft67%
- Airline operations21%
- National airspace system9%
- Weather4%
Frequently asked questions
- How often are flights from BNA to CHS delayed?
- 22% of BNA–CHS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from BNA to CHS?
- Departures around 10 a.m. have the best record (91% on-time), while departures around 8 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to CHS?
- The scheduled BNA–CHS flight time averages 1h 28m over 439 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are BNA to CHS flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BNA to CHS?
- May 2026 was the roughest month in this dataset, with only 52% of arrivals on time. The best was September 2025 at 93%. If your dates are flexible, that 42-point gap is worth planning around.
Explore related pages
More routes from BNA
Based on 1,775 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.