Nashville (BNA) to Birmingham (BHM): On-Time Performance
Data through May 2026
When you fly BNA to BHM matters as much as anything else about the booking: the route swung from 93% on-time in January 2026 to just 67% in July 2025. Across the full period the route averages 80% on-time against a national 78%.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 1.2
- last 12 months
- Duration
- 55m
- scheduled
- Distance
- 177 mi
Monthly on-time trend
Best time to fly from BNA to BHM
Aim for departures around 4 p.m. (90% on-time); avoid 9 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 11 min |
| Tuesdaybest | 91% | 5 min |
| Wednesday | 87% | 6 min |
| Thursday | 79% | 8 min |
| Friday | 72% | 16 min |
| Saturday | 80% | 11 min |
| Sunday | 75% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations34%
- National airspace system11%
- Weather3%
Frequently asked questions
- How often are flights from BNA to BHM delayed?
- 20% of BNA–BHM 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 10 minutes.
- What is the best time of day to fly from BNA to BHM?
- Departures around 4 p.m. have the best record (90% on-time), while departures around 9 p.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to BHM?
- The scheduled BNA–BHM flight time averages 55m over 177 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are BNA to BHM flights cancelled?
- 1.1% 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 BHM?
- July 2025 was the roughest month in this dataset, with only 67% of arrivals on time. The best was January 2026 at 93%. If your dates are flexible, that 26-point gap is worth planning around.
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Related guides
Based on 660 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.