Route Reliability
Cincinnati → Denver
CVG–DEN · 1,069 miles · Cincinnati/Northern Kentucky International Airport to Denver International Airport
- 82%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.0%
- Cancelled
- 1,531
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines86%728 flights
- 2.Frontier Airlines83%412 flights
- 3.Southwest Airlines73%364 flights
Not enough history to rank: Allegiant Air (27 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
CVG–DEN flights departing between 6–9 AM arrived on time 91% of the time, versus 46% between 9 PM–12 AM.
Friday is doing you no favors.
CVG–DEN flights arrived on time 86% of the time on Wednesdays. On Fridays: 78%.
United Airlines runs this route best.
United Airlines arrived on time 86% of the time on this route; Southwest Airlines managed 73%.
Trending in the right direction.
CVG–DEN flights arrived on time 85% of the time over the last three months in the data, compared with 78% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon81%(235 flights)
- Tue84%(192 flights)
- Wed86%(190 flights)
- Thu80%(226 flights)
- Fri78%(235 flights)
- Sat84%(195 flights)
- Sun82%(232 flights)
- 6–9 AM91%(434 flights)
- 9 AM–12 PM83%(237 flights)
- 12–3 PM81%(161 flights)
- 3–6 PM83%(434 flights)
- 6–9 PM65%(228 flights)
- 9 PM–12 AM46%(11 flights)
Jun 75% → May 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 134 |
| July 2025 | 73% | 143 |
| August 2025 | 80% | 129 |
| September 2025 | 88% | 132 |
| October 2025 | 86% | 140 |
| November 2025 | 91% | 128 |
| December 2025 | 69% | 121 |
| January 2026 | 86% | 110 |
| February 2026 | 78% | 100 |
| March 2026 | 80% | 126 |
| April 2026 | 88% | 116 |
| May 2026 | 88% | 126 |
Keep nerding
Based on 1,531 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.