Denver (DEN) to Sioux City (SUX) flights
SkyWest Airlines flies nonstop from Denver International Airport to Sioux Gateway Airport / Brigadier General Bud Day Field, with about 11 flights a week in July 2026. The 466-mile flight takes about 1h 34m gate to gate.
- Distance
- 466 mi · 750 km
- Flight time
- 1h 34m
- Airlines
- 1
- Seats filled
- 65%
Airlines flying DEN to SUX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 11 | Bombardier CRJ200, Bombardier CRJ550 | 16,718 | 1h 34m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to SUX flight schedule
2 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 8:15am and the last at 9:05pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 5104United Airlines · operated by SkyWest Airlines | 8:15am | 10:55am | 31 | 88% |
| UA 5101United Airlines · operated by SkyWest Airlines | 9:05pm | 11:43pm | 18 | 71% |
Is DEN to SUX on time?
From September 2025 to August 2026, 84% of 536 flights arrived within 15 minutes of schedule and 1.1% were cancelled. Flights leaving around 8am were the most punctual (90%), those around 9pm the least (76%). Most delay time was caused by late-arriving aircraft (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 536 | 84% | 16 min | 1.1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 8am to 9am | 238 | 90% | |
| 3pm to 4pm | 125 | 84% | |
| 8pm to 9pm | 12 | 75% | |
| 9pm to 10pm | 161 | 76% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 30 | 1,260 | |
| September 2025 | 30 | 1,225 | |
| October 2025 | 31 | 1,282 | |
| November 2025 | 29 | 1,192 | |
| December 2025 | 29 | 1,076 | |
| January 2026 | 57 | 1,314 | |
| February 2026 | 55 | 1,363 | |
| March 2026 | 60 | 2,015 | |
| April 2026 | 46 | 1,145 | |
| May 2026 | 49 | 1,429 | |
| June 2026 | 47 | 1,636 | |
| July 2026 | 49 | 1,781 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.