Best Time to Fly DEN to BNA: On-Time Stats by Hour & Airline
Denver International → Nashville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.2% of Denver (DEN) to Nashville (BNA) flights arrived on time (3,641 scheduled flights). That is 2.4 points below the national average of 77.6%.
Among 3 airlines, United Airlines led with 79.2% on time and Southwest Airlines was last with 73.0%.
Over 24 months, Wednesday was the most reliable day (78% on time) and June the worst month (62%).
The cancellation rate was 0.6% (US average 1.8%).
DEN 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 |
|---|---|---|---|---|
| United Airlines | 79.2% | 56 min | 0.4% | 1,178 |
| Frontier Airlines | 74.9% | 57 min | 0.9% | 331 |
| Southwest Airlines | 73.0% | 53 min | 0.6% | 2,132 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to BNA
On-time arrival % by scheduled departure hour (local time), 7,537 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.7% | 0.8% | 470 |
| 6am–7am | 94.1% | 1.4% | 293 |
| 7am–8am | 89.4% | 0.9% | 536 |
| 8am–9am | 90.2% | 0.2% | 562 |
| 9am–10am | 82.3% | 0.6% | 970 |
| 10am–11am | 81.2% | 0.2% | 402 |
| 11am–12pm | 81.0% | 0.0% | 189 |
| 12pm–1pm | 73.3% | 0.8% | 243 |
| 1pm–2pm | 73.4% | 0.4% | 801 |
| 2pm–3pm | 68.4% | 0.6% | 334 |
| 3pm–4pm | 66.3% | 0.5% | 442 |
| 4pm–5pm | 69.8% | 0.4% | 236 |
| 5pm–6pm | 66.7% | 0.4% | 818 |
| 6pm–7pm | 63.8% | 1.2% | 492 |
| 7pm–8pm | 51.9% | 0.0% | 267 |
| 8pm–9pm | 56.7% | 1.4% | 356 |
| 9pm–10pm | 57.4% | 0.0% | 108 |
| 10pm–11pm | Limited data | 18 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN 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) | 84.2% | +6.1 pts | 0.7% | 153 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.2% | +2.1 pts | 0.0% | 313 |
| Summer peak (Jun 15 - Aug 15) | 65.0% | -13.1 pts | 0.6% | 1,439 |
| All other days | 78.1% | — | 0.7% | 5,632 |
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).