Best Time to Fly DEN to CVG: On-Time Stats by Hour & Airline
Denver International → Cincinnati/Northern Kentucky International
Data through July 2026 · Last updated October 18, 2026
1,502 flights were scheduled from Denver (DEN) to Cincinnati (CVG) in the last 12 months, and 78.8% of those that flew arrived on time, 1.2 points above the US average of 77.6%.
United Airlines was the most punctual of the 3 airlines on the route at 84.0%, while Southwest Airlines trailed at 68.0%.
February has been the best month (87% on time) and Sunday the weakest day of the week (73%).
0.9% of flights were cancelled, versus 1.8% nationally.
DEN to CVG 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 | 84.0% | 59 min | 0.6% | 727 |
| Frontier Airlines | 79.7% | 63 min | 1.0% | 384 |
| Southwest Airlines | 68.0% | 47 min | 1.4% | 364 |
| Allegiant Air | Limited data | 27 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to CVG
On-time arrival % by scheduled departure hour (local time), 3,062 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 5 | |
| 6am–7am | 90.6% | 0.0% | 32 |
| 7am–8am | 73.8% | 0.0% | 61 |
| 8am–9am | 78.3% | 0.0% | 161 |
| 9am–10am | 89.4% | 0.5% | 806 |
| 10am–11am | 80.7% | 0.0% | 192 |
| 11am–12pm | 83.7% | 0.0% | 86 |
| 12pm–1pm | 73.3% | 3.2% | 124 |
| 1pm–2pm | 69.2% | 1.2% | 162 |
| 2pm–3pm | 81.2% | 1.4% | 146 |
| 3pm–4pm | 53.9% | 1.7% | 174 |
| 4pm–5pm | 56.4% | 2.5% | 40 |
| 5pm–6pm | 75.5% | 0.4% | 716 |
| 6pm–7pm | 56.0% | 1.7% | 118 |
| 7pm–8pm | 72.3% | 0.0% | 47 |
| 8pm–9pm | 61.6% | 0.0% | 164 |
| 9pm–10pm | Limited data | 28 | |
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 CVG
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) | 82.8% | +3.6 pts | 0.0% | 58 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.0% | -1.2 pts | 0.0% | 127 |
| Summer peak (Jun 15 - Aug 15) | 66.1% | -13.0 pts | 1.0% | 580 |
| All other days | 79.2% | — | 0.7% | 2,297 |
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).