Best Time to Fly BNA to IAH: On-Time Stats by Hour & Airline
Nashville International → George Bush Intercontinental/Houston
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.1% of Nashville (BNA) to Houston (IAH) flights arrived on time (1,409 scheduled flights). That is 5.5 points above the national average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 87.6%, while United Airlines trailed at 81.8%.
September has been the best month (92% on time) and Monday the weakest day of the week (81%).
0.8% of flights were cancelled, versus 1.8% nationally.
BNA to IAH 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 |
|---|---|---|---|---|
| SkyWest Airlines | 87.6% | 95 min | 1.1% | 382 |
| United Airlines | 81.8% | 74 min | 0.7% | 1,023 |
| Spirit Airlines | Limited data | 4 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BNA to IAH
On-time arrival % by scheduled departure hour (local time), 2,914 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 20 | |
| 6am–7am | 88.0% | 0.8% | 722 |
| 7am–8am | Limited data | 3 | |
| 8am–9am | 86.9% | 0.8% | 491 |
| 10am–11am | 89.4% | 1.2% | 420 |
| 11am–12pm | 82.1% | 0.9% | 108 |
| 12pm–1pm | 89.0% | 0.0% | 82 |
| 1pm–2pm | 88.2% | 0.0% | 119 |
| 2pm–3pm | 84.7% | 1.4% | 285 |
| 3pm–4pm | 63.4% | 1.3% | 157 |
| 4pm–5pm | 66.7% | 1.7% | 119 |
| 5pm–6pm | 77.8% | 2.2% | 92 |
| 6pm–7pm | 71.1% | 2.7% | 292 |
| 8pm–9pm | Limited data | 4 | |
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 IAH
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) | 94.8% | +10.2 pts | 0.0% | 58 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.7% | -1.0 pts | 0.9% | 105 |
| Summer peak (Jun 15 - Aug 15) | 76.4% | -8.3 pts | 1.4% | 506 |
| All other days | 84.7% | — | 1.2% | 2,245 |
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).