Route Reliability
Denver → Cleveland
DEN–CLE · 1,201 miles · Denver International Airport to Cleveland Hopkins International Airport
- 76%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0.3%
- Cancelled
- 1,836
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Frontier Airlines84%293 flights
- 2.United Airlines82%938 flights
- 3.Southwest Airlines63%605 flights
What the data says
Morning flights do better here.
DEN–CLE flights departing between 6–9 AM arrived on time 90% of the time, versus 54% between 6–9 PM.
Saturday comes out ahead.
A small edge: 79% on time on Saturdays against 72% on Mondays.
Frontier Airlines has a clear lead on this route.
Frontier Airlines arrived on time 84% of the time on this route; Southwest Airlines managed 63%.
It basically never cancels.
Out of 1,836 scheduled flights, only 0.3% were cancelled.
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
- Mon72%(275 flights)
- Tue78%(255 flights)
- Wed79%(242 flights)
- Thu74%(276 flights)
- Fri74%(271 flights)
- Sat79%(218 flights)
- Sun76%(288 flights)
- 6–9 AM90%(137 flights)
- 9 AM–12 PM84%(676 flights)
- 12–3 PM83%(297 flights)
- 3–6 PM68%(455 flights)
- 6–9 PM54%(260 flights)
Jun 70% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 174 |
| July 2025 | 68% | 183 |
| August 2025 | 71% | 175 |
| September 2025 | 75% | 161 |
| October 2025 | 74% | 159 |
| November 2025 | 88% | 153 |
| December 2025 | 76% | 165 |
| January 2026 | 87% | 122 |
| February 2026 | 78% | 102 |
| March 2026 | 70% | 133 |
| April 2026 | 80% | 137 |
| May 2026 | 80% | 161 |
Keep nerding
Based on 1,836 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.