Nashville (BNA) to San Diego (SAN): On-Time Performance
Data through July 2026
Nashville (BNA) to San Diego (SAN) effectively runs on two schedules. In January 2026, 87% of arrivals were on time; in June 2026 that fell to 50% — a 37-point seasonal swing. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 64%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 2.9
- last 12 months
- Duration
- 4h 26m
- scheduled
- Distance
- 1,751 mi
Monthly on-time trend
Best time to fly from BNA to SAN
Aim for departures around 7 a.m. (91% on-time); avoid 3 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 14 min |
| Tuesdaybest | 82% | 9 min |
| Wednesday | 78% | 10 min |
| Thursday | 67% | 18 min |
| Friday | 71% | 15 min |
| Saturday | 79% | 10 min |
| Sunday | 73% | 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 aircraft55%
- Airline operations26%
- National airspace system17%
- Weather2%
Frequently asked questions
- How often are flights from BNA to SAN delayed?
- 26% of BNA–SAN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from BNA to SAN?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 3 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to SAN?
- The scheduled BNA–SAN flight time averages 4h 26m over 1,751 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are BNA to SAN flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from BNA to SAN?
- June 2026 was the roughest month in this dataset, with only 50% of arrivals on time. The best was January 2026 at 87%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 2,100 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.