Best Time to Fly BHM to BNA: On-Time Stats by Hour & Airline
Birmingham-Shuttlesworth International → Nashville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 74.7% of Birmingham (BHM) to Nashville (BNA) flights arrived on time (515 scheduled flights). That is 2.9 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
December has been the best month (92% on time) and Friday the weakest day of the week (69%).
1.0% of flights were cancelled, versus 1.8% nationally.
BHM to BNA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 74.7% | 52 min | 1.0% | 515 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BHM to BNA
On-time arrival % by scheduled departure hour (local time), 781 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.8% | 0.9% | 116 |
| 6am–7am | 96.8% | 3.1% | 32 |
| 7am–8am | Limited data | 2 | |
| 9am–10am | Limited data | 9 | |
| 10am–11am | 93.2% | 2.2% | 45 |
| 11am–12pm | 77.9% | 2.3% | 88 |
| 12pm–1pm | Limited data | 10 | |
| 1pm–2pm | 88.1% | 0.0% | 84 |
| 2pm–3pm | 72.6% | 0.0% | 95 |
| 3pm–4pm | 72.4% | 0.8% | 117 |
| 4pm–5pm | 74.5% | 3.8% | 53 |
| 5pm–6pm | 54.5% | 0.0% | 55 |
| 6pm–7pm | 39.2% | 1.3% | 75 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BHM to BNA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 15 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 86.7% | +7.6 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 64.9% | -14.1 pts | 1.3% | 156 |
| All other days | 79.1% | — | 1.2% | 580 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).