Route Reliability
Denver → Columbus
DEN–CMH · 1,154 miles · Denver International Airport to John Glenn Columbus International Airport
- 73%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 0.7%
- Cancelled
- 1,765
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines81%729 flights
- 2.Frontier Airlines80%113 flights
- 3.Southwest Airlines66%923 flights
What the data says
Morning flights do better here.
DEN–CMH flights departing between 6–9 AM arrived on time 85% of the time, versus 57% between 6–9 PM.
Friday is doing you no favors.
DEN–CMH flights arrived on time 79% of the time on Saturdays. On Fridays: 69%.
United Airlines runs this route best.
United Airlines arrived on time 81% of the time on this route; Southwest Airlines managed 66%.
Recent months have been rougher.
DEN–CMH flights arrived on time 71% of the time over the last three months in the data, compared with 81% 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
- Mon74%(270 flights)
- Tue76%(228 flights)
- Wed71%(223 flights)
- Thu70%(274 flights)
- Fri69%(271 flights)
- Sat79%(205 flights)
- Sun73%(276 flights)
- 6–9 AM85%(61 flights)
- 9 AM–12 PM83%(667 flights)
- 12–3 PM75%(197 flights)
- 3–6 PM67%(526 flights)
- 6–9 PM57%(296 flights)
Jun 57% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 155 |
| July 2025 | 57% | 161 |
| August 2025 | 67% | 146 |
| September 2025 | 73% | 146 |
| October 2025 | 84% | 165 |
| November 2025 | 86% | 140 |
| December 2025 | 74% | 141 |
| January 2026 | 86% | 125 |
| February 2026 | 84% | 123 |
| March 2026 | 73% | 144 |
| April 2026 | 75% | 149 |
| May 2026 | 65% | 152 |
Keep nerding
Based on 1,765 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.