Best Time to Fly CVG to DEN: On-Time Stats by Hour & Airline
Cincinnati/Northern Kentucky International → Denver International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.6% of Cincinnati (CVG) to Denver (DEN) flights arrived on time (1,504 scheduled flights). That is 5.0 points above the national average of 77.6%.
Among 3 airlines, United Airlines led with 86.2% on time and Southwest Airlines was last with 74.8%.
Over 24 months, Saturday was the most reliable day (84% on time) and December the worst month (76%).
The cancellation rate was 0.9% (US average 1.8%).
CVG 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 | 86.2% | 81 min | 0.7% | 727 |
| Frontier Airlines | 82.9% | 89 min | 1.0% | 386 |
| Southwest Airlines | 74.8% | 55 min | 1.4% | 364 |
| Allegiant Air | Limited data | 27 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CVG to DEN
On-time arrival % by scheduled departure hour (local time), 3,065 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 18 | |
| 6am–7am | 90.0% | 0.0% | 292 |
| 7am–8am | 89.8% | 0.0% | 88 |
| 8am–9am | 90.6% | 0.2% | 425 |
| 9am–10am | 87.2% | 0.9% | 440 |
| 10am–11am | Limited data | 7 | |
| 11am–12pm | 82.7% | 0.0% | 75 |
| 12pm–1pm | 80.8% | 1.0% | 100 |
| 1pm–2pm | 84.2% | 1.0% | 96 |
| 2pm–3pm | 61.3% | 0.0% | 63 |
| 3pm–4pm | 81.6% | 0.7% | 816 |
| 4pm–5pm | 73.9% | 1.1% | 94 |
| 5pm–6pm | 59.4% | 0.0% | 69 |
| 6pm–7pm | 61.8% | 2.2% | 268 |
| 7pm–8pm | 69.2% | 0.0% | 52 |
| 8pm–9pm | 68.4% | 3.5% | 141 |
| 9pm–10pm | Limited data | 21 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CVG 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) | 75.9% | -6.4 pts | 0.0% | 58 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.5% | +0.3 pts | 0.0% | 127 |
| Summer peak (Jun 15 - Aug 15) | 75.6% | -6.7 pts | 1.6% | 580 |
| All other days | 82.3% | — | 0.7% | 2,300 |
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).