Oklahoma City (OKC) to Nashville (BNA): On-Time Performance
Data through July 2026
Oklahoma City (OKC) to Nashville (BNA) effectively runs on two schedules. In July 2024, 97% of arrivals were on time; in July 2025 that fell to 65% — a 32-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 1.4
- last 12 months
- Duration
- 1h 43m
- scheduled
- Distance
- 616 mi
Monthly on-time trend
Best time to fly from OKC to BNA
Aim for departures around 7 a.m. (94% on-time); avoid 3 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 14 min |
| Tuesday | 77% | 15 min |
| Wednesdaybest | 85% | 8 min |
| Thursday | 81% | 13 min |
| Friday | 76% | 15 min |
| Saturday | 84% | 7 min |
| Sunday | 74% | 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 aircraft51%
- Airline operations24%
- National airspace system21%
- Weather5%
Frequently asked questions
- How often are flights from OKC to BNA delayed?
- 21% of OKC–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 12 minutes.
- What is the best time of day to fly from OKC to BNA?
- Departures around 7 a.m. have the best record (94% on-time), while departures around 3 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OKC to BNA?
- The scheduled OKC–BNA flight time averages 1h 43m over 616 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are OKC 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 OKC to BNA?
- July 2025 was the roughest month in this dataset, with only 65% of arrivals on time. The best was July 2024 at 97%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 873 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.