Nashville (BNA) to San Antonio (SAT): On-Time Performance
Data through May 2026
Nashville (BNA) to San Antonio (SAT) effectively runs on two schedules. In October 2024, 99% of arrivals were on time; in June 2025 that fell to 63% — a 36-point seasonal swing. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (94% vs 73%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 2.6
- last 12 months
- Duration
- 2h 30m
- scheduled
- Distance
- 822 mi
Monthly on-time trend
Best time to fly from BNA to SAT
Aim for departures around 8 a.m. (95% on-time); avoid 5 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 12 min |
| Tuesdaybest | 88% | 8 min |
| Wednesday | 87% | 7 min |
| Thursday | 75% | 13 min |
| Friday | 80% | 12 min |
| Saturday | 88% | 8 min |
| Sunday | 78% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft61%
- Airline operations24%
- National airspace system13%
- Weather2%
Frequently asked questions
- How often are flights from BNA to SAT delayed?
- 19% of BNA–SAT 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 11 minutes.
- What is the best time of day to fly from BNA to SAT?
- Departures around 8 a.m. have the best record (95% on-time), while departures around 5 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to SAT?
- The scheduled BNA–SAT flight time averages 2h 30m over 822 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are BNA to SAT flights cancelled?
- 0.6% 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 SAT?
- June 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was October 2024 at 99%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 1,790 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.