Route Reliability
SUX → Denver
SUX–DEN · 466 miles · SUX Airport to Denver International Airport
- 66%
- Arrive within 15 minutes
- 33 min
- Average arrival delay
- 2.7%
- Cancelled
- 483
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 66% of the time across 483 flights. No comparison to make.
What the data says
Morning flights do better here.
SUX–DEN flights departing between 9 AM–12 PM arrived on time 92% of the time, versus 62% between 6–9 PM.
Monday is the weak spot.
SUX–DEN flights arrived on time 72% of the time on Saturdays. On Mondays: 61%.
Slipping a little lately.
SUX–DEN flights arrived on time 67% of the time over the last three months in the data, compared with 72% in the three months before that.
Flights on this route
The breakdown
- Mon61%(71 flights)
- Tue68%(65 flights)
- Wed71%(61 flights)
- Thu63%(71 flights)
- Fri64%(69 flights)
- Sat72%(60 flights)
- Sun67%(72 flights)
- 6–9 AM75%(131 flights)
- 9 AM–12 PM92%(12 flights)
- 6–9 PM62%(326 flights)
Jun 31% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 31% | 29 |
| July 2025 | 45% | 29 |
| August 2025 | 45% | 29 |
| September 2025 | 70% | 30 |
| October 2025 | 77% | 31 |
| November 2025 | 79% | 29 |
| December 2025 | 60% | 30 |
| January 2026 | 76% | 55 |
| February 2026 | 80% | 55 |
| March 2026 | 73% | 59 |
| April 2026 | 54% | 46 |
| May 2026 | 75% | 47 |
Keep nerding
Based on 483 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.