Best Time to Fly DAY to DEN: On-Time Stats by Hour & Airline
James M Cox/Dayton International → Denver International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 91.2% of Dayton (DAY) to Denver (DEN) flights arrived on time (365 scheduled flights). That is 13.5 points above the national average of 77.6%.
Among 2 airlines, SkyWest Airlines led with 92.7% on time and United Airlines was last with 90.9%.
Over 24 months, Friday was the most reliable day (92% on time) and December the worst month (82%).
The cancellation rate was 0.8% (US average 1.8%).
DAY 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 |
|---|---|---|---|---|
| SkyWest Airlines | 92.7% | 78 min | 3.5% | 57 |
| United Airlines | 90.9% | 133 min | 0.3% | 308 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAY to DEN
On-time arrival % by scheduled departure hour (local time), 730 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 89.8% | 0.8% | 239 |
| 9am–10am | 90.5% | 0.2% | 491 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DAY 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) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 96.7% | +6.6 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 91.1% | +1.0 pts | 0.0% | 124 |
| All other days | 90.1% | — | 0.5% | 562 |
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).