Best Time to Fly BNA to DEN: On-Time Stats by Hour & Airline
Nashville International → Denver International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.1% of Nashville (BNA) to Denver (DEN) flights arrived on time (3,645 scheduled flights). That is 2.5 points below the national average of 77.6%.
Among 3 airlines, United Airlines led with 79.8% on time and Southwest Airlines was last with 72.0%.
Over 24 months, Saturday was the most reliable day (79% on time) and May the worst month (63%).
The cancellation rate was 0.6% (US average 1.8%).
BNA to DEN 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 |
|---|---|---|---|---|
| United Airlines | 79.8% | 80 min | 0.9% | 1,178 |
| Frontier Airlines | 78.6% | 74 min | 1.2% | 332 |
| Southwest Airlines | 72.0% | 51 min | 0.4% | 2,135 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BNA to DEN
On-time arrival % by scheduled departure hour (local time), 7,503 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.4% | 0.2% | 545 |
| 6am–7am | 90.4% | 0.9% | 210 |
| 7am–8am | 87.4% | 0.5% | 811 |
| 8am–9am | 86.5% | 0.8% | 514 |
| 9am–10am | 89.5% | 0.5% | 220 |
| 10am–11am | 89.2% | 0.0% | 530 |
| 11am–12pm | 76.5% | 0.4% | 271 |
| 12pm–1pm | 87.8% | 1.3% | 316 |
| 1pm–2pm | 61.0% | 0.0% | 312 |
| 2pm–3pm | 77.8% | 0.6% | 806 |
| 3pm–4pm | 72.5% | 0.7% | 287 |
| 4pm–5pm | 56.6% | 0.5% | 389 |
| 5pm–6pm | 64.6% | 0.6% | 817 |
| 6pm–7pm | 51.4% | 0.9% | 433 |
| 7pm–8pm | 64.5% | 0.9% | 333 |
| 8pm–9pm | 75.1% | 0.4% | 270 |
| 9pm–10pm | 69.4% | 0.4% | 233 |
| 10pm–11pm | 74.4% | 1.5% | 206 |
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 DEN
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) | 75.5% | -2.8 pts | 0.0% | 155 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.9% | +5.7 pts | 0.3% | 312 |
| Summer peak (Jun 15 - Aug 15) | 68.7% | -9.6 pts | 0.6% | 1,442 |
| All other days | 78.3% | — | 0.6% | 5,594 |
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).