Best Time to Fly BNA to SAT: On-Time Stats by Hour & Airline
Nashville International → San Antonio International
Data through July 2026 · Last updated October 18, 2026
940 flights were scheduled from Nashville (BNA) to San Antonio (SAT) in the last 12 months, and 78.8% of those that flew arrived on time, 1.2 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
March has been the best month (92% on time) and Thursday the weakest day of the week (73%).
0.6% of flights were cancelled, versus 1.8% nationally.
BNA to SAT 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 | 78.8% | 45 min | 0.6% | 937 |
| Spirit Airlines | Limited data | 3 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BNA to SAT
On-time arrival % by scheduled departure hour (local time), 1,822 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 93.5% | 0.0% | 412 |
| 8am–9am | 93.4% | 1.0% | 307 |
| 9am–10am | Limited data | 3 | |
| 12pm–1pm | Limited data | 2 | |
| 1pm–2pm | 82.7% | 0.0% | 52 |
| 2pm–3pm | 62.0% | 0.7% | 139 |
| 3pm–4pm | 80.4% | 0.0% | 52 |
| 4pm–5pm | 65.5% | 0.0% | 84 |
| 5pm–6pm | 47.1% | 0.0% | 51 |
| 6pm–7pm | 83.3% | 6.7% | 45 |
| 7pm–8pm | Limited data | 25 | |
| 8pm–9pm | 81.8% | 0.5% | 210 |
| 9pm–10pm | 63.8% | 0.5% | 220 |
| 10pm–11pm | 71.1% | 0.9% | 220 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BNA to SAT
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) | 78.8% | -4.1 pts | 2.9% | 34 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.3% | -2.7 pts | 0.0% | 71 |
| Summer peak (Jun 15 - Aug 15) | 66.4% | -16.6 pts | 0.3% | 329 |
| All other days | 82.9% | — | 0.7% | 1,388 |
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).