Ontario (ONT) to Nashville (BNA): On-Time Performance
Data through July 2026
Ontario (ONT) to Nashville (BNA) is a thinner route than most in this dataset — 336 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 0.92
- last 12 months
- Duration
- 3h 49m
- scheduled
- Distance
- 1,751 mi
Monthly on-time trend
Best time to fly from ONT to BNA
Aim for departures around 5 a.m. (95% on-time); avoid 11 a.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 12 min |
| Tuesday | 82% | 7 min |
| Wednesday | 80% | 8 min |
| Thursday | 78% | 10 min |
| Friday | 82% | 8 min |
| Saturdaybest | 86% | 7 min |
| Sunday | 81% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations35%
- National airspace system29%
- Security1%
Frequently asked questions
- How often are flights from ONT to BNA delayed?
- 19% of ONT–BNA 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 9 minutes.
- What is the best time of day to fly from ONT to BNA?
- Departures around 5 a.m. have the best record (95% on-time), while departures around 11 a.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ONT to BNA?
- The scheduled ONT–BNA flight time averages 3h 49m over 1,751 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are ONT to BNA flights cancelled?
- 0.3% 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 ONT to BNA?
- May 2026 was the roughest month in this dataset, with only 48% of arrivals on time. The best was August 2024 at 100%. If your dates are flexible, that 52-point gap is worth planning around.
Explore related pages
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Related guides
Based on 673 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.