Best Time to Fly SAT to BNA: On-Time Stats by Hour & Airline
San Antonio International → Nashville International
Data through July 2026 · Last updated October 18, 2026
952 flights were scheduled from San Antonio (SAT) to Nashville (BNA) in the last 12 months, and 77.8% 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, Tuesday was the most reliable day (88% on time) and July the worst month (69%).
The cancellation rate was 0.5% (US average 1.8%).
SAT 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 | 77.9% | 49 min | 0.5% | 949 |
| Spirit Airlines | Limited data | 3 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAT to BNA
On-time arrival % by scheduled departure hour (local time), 1,818 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.7% | 0.0% | 36 |
| 6am–7am | 95.1% | 0.7% | 434 |
| 7am–8am | 97.8% | 1.7% | 232 |
| 8am–9am | Limited data | 28 | |
| 10am–11am | 93.3% | 0.0% | 105 |
| 11am–12pm | 78.7% | 1.1% | 95 |
| 12pm–1pm | 85.5% | 0.0% | 62 |
| 1pm–2pm | 65.5% | 0.9% | 111 |
| 2pm–3pm | Limited data | 10 | |
| 3pm–4pm | 79.0% | 0.3% | 283 |
| 4pm–5pm | 63.4% | 0.0% | 176 |
| 5pm–6pm | 58.3% | 0.5% | 212 |
| 6pm–7pm | 60.6% | 2.9% | 34 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAT 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) | 82.3% | -1.6 pts | 0.0% | 34 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.9% | -5.0 pts | 0.0% | 71 |
| Summer peak (Jun 15 - Aug 15) | 73.5% | -10.5 pts | 0.3% | 341 |
| All other days | 83.9% | — | 0.8% | 1,372 |
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).