Best Time to Fly BNA to HOU: On-Time Stats by Hour & Airline
Nashville International → William P Hobby
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.2% of Nashville (BNA) to Houston (HOU) flights arrived on time (1,820 scheduled flights). That is 1.4 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (80% on time) and July the worst month (62%).
The cancellation rate was 0.7% (US average 1.8%).
BNA to HOU 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 | 76.2% | 46 min | 0.7% | 1,820 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BNA to HOU
On-time arrival % by scheduled departure hour (local time), 3,573 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 96.8% | 0.4% | 499 |
| 6am–7am | 92.7% | 0.9% | 111 |
| 7am–8am | 92.3% | 0.2% | 393 |
| 8am–9am | 91.1% | 1.7% | 298 |
| 9am–10am | Limited data | 20 | |
| 10am–11am | Limited data | 11 | |
| 11am–12pm | 74.3% | 1.4% | 71 |
| 12pm–1pm | 81.4% | 1.5% | 202 |
| 1pm–2pm | 66.1% | 0.4% | 226 |
| 2pm–3pm | 74.5% | 0.0% | 275 |
| 3pm–4pm | 71.4% | 0.0% | 42 |
| 4pm–5pm | 73.1% | 2.9% | 69 |
| 5pm–6pm | 71.9% | 0.4% | 226 |
| 6pm–7pm | 60.6% | 0.7% | 276 |
| 7pm–8pm | 69.6% | 0.0% | 194 |
| 8pm–9pm | 77.0% | 1.6% | 243 |
| 9pm–10pm | 67.7% | 0.5% | 190 |
| 10pm–11pm | 66.7% | 0.9% | 227 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BNA to HOU
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) | 78.2% | -3.9 pts | 0.0% | 78 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.4% | -4.7 pts | 0.0% | 156 |
| Summer peak (Jun 15 - Aug 15) | 67.4% | -14.8 pts | 0.2% | 618 |
| All other days | 82.1% | — | 0.9% | 2,721 |
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).