Route
DEN → SUX
Denver International Airport Sioux Gateway Airport / Brigadier General Bud Day Field
466 miles
Return route SUX → DEN →
How punctual is this route?
- On-time arrivals
- 84.3%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 100 min
- Flights arriving 15+ minutes late
- Flights tracked
- 536
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 15%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.3% | 30 |
| October 2025 | 90.3% | 31 |
| November 2025 | 89.7% | 29 |
| December 2025 | 62.1% | 31 |
| January 2026 | 91.1% | 57 |
| February 2026 | 89.1% | 55 |
| March 2026 | 88.3% | 62 |
| April 2026 | 91.3% | 47 |
| May 2026 | 84.8% | 49 |
| June 2026 | 78.7% | 47 |
| July 2026 | 73.5% | 49 |
| August 2026 | 75.5% | 49 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 536 | 84.3% | 1.1% | 100 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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