Best Time to Fly CHS to BNA: On-Time Stats by Hour & Airline
Charleston AFB/International → Nashville International
Data through July 2026 · Last updated October 18, 2026
986 flights were scheduled from Charleston (CHS) to Nashville (BNA) in the last 12 months, and 78.0% of those that flew arrived on time, in line with the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (85% on time) and July the worst month (69%).
The cancellation rate was 0.6% (US average 1.8%).
CHS to BNA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 78.0% | 47 min | 0.6% | 986 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CHS to BNA
On-time arrival % by scheduled departure hour (local time), 1,817 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 25 | |
| 6am–7am | 96.9% | 0.5% | 388 |
| 7am–8am | 94.6% | 3.5% | 58 |
| 9am–10am | Limited data | 17 | |
| 10am–11am | 86.3% | 0.8% | 125 |
| 11am–12pm | 88.2% | 1.3% | 154 |
| 12pm–1pm | 84.2% | 0.0% | 99 |
| 1pm–2pm | 67.7% | 0.0% | 167 |
| 2pm–3pm | 67.3% | 3.5% | 57 |
| 3pm–4pm | 90.3% | 0.0% | 31 |
| 4pm–5pm | 83.3% | 0.0% | 36 |
| 5pm–6pm | 78.6% | 0.0% | 42 |
| 6pm–7pm | 84.3% | 3.5% | 86 |
| 7pm–8pm | 76.2% | 0.4% | 241 |
| 8pm–9pm | 55.5% | 0.8% | 121 |
| 9pm–10pm | 66.3% | 0.0% | 170 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CHS to BNA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 84.4% | +1.1 pts | 0.0% | 32 |
| Christmas & New Year (Dec 20 - Jan 3) | 84.0% | +0.7 pts | 0.0% | 75 |
| Summer peak (Jun 15 - Aug 15) | 72.6% | -10.7 pts | 0.9% | 346 |
| All other days | 83.3% | — | 0.8% | 1,364 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).