Route Reliability
Denver → Des Moines
DEN–DSM · 589 miles · Denver International Airport to Des Moines International Airport
- 80%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.6%
- Cancelled
- 2,325
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines84%1,621 flights
- 2.Frontier Airlines79%149 flights
- 3.Southwest Airlines68%555 flights
What the data says
Morning flights do better here.
DEN–DSM flights departing between 6–9 AM arrived on time 96% of the time, versus 70% between 3–6 PM.
Friday is doing you no favors.
DEN–DSM flights arrived on time 84% of the time on Wednesdays. On Fridays: 77%.
United Airlines has a clear lead on this route.
United Airlines arrived on time 84% of the time on this route; Southwest Airlines managed 68%.
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
- Mon78%(359 flights)
- Tue82%(316 flights)
- Wed84%(322 flights)
- Thu78%(324 flights)
- Fri77%(364 flights)
- Sat84%(297 flights)
- Sun79%(323 flights)
- 6–9 AM96%(167 flights)
- 9 AM–12 PM87%(627 flights)
- 12–3 PM88%(372 flights)
- 3–6 PM70%(488 flights)
- 6–9 PM73%(522 flights)
- 9 PM–12 AM73%(129 flights)
Jun 72% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 214 |
| July 2025 | 68% | 220 |
| August 2025 | 75% | 226 |
| September 2025 | 84% | 223 |
| October 2025 | 88% | 198 |
| November 2025 | 86% | 159 |
| December 2025 | 83% | 167 |
| January 2026 | 83% | 161 |
| February 2026 | 78% | 146 |
| March 2026 | 80% | 187 |
| April 2026 | 88% | 188 |
| May 2026 | 81% | 216 |
Keep nerding
Based on 2,325 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.