Denver (DEN) to Sioux Falls (FSD) flights
SkyWest Airlines, United Airlines, Frontier Airlines fly nonstop from Denver International Airport to Sioux Falls Regional Airport, with about 42 flights a week in July 2026. The 483-mile flight takes about 1h 37m gate to gate.
- Distance
- 483 mi · 777 km
- Flight time
- 1h 37m
- Airlines
- 3
- Seats filled
- 82%
Airlines flying DEN to FSD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 32 | Embraer E175, Bombardier CRJ700, Bombardier CRJ550 | 77,265 | 1h 38m |
| United Airlines | 7 | Boeing 737-800, Airbus A320-100/200, Boeing 737-900ER | 48,334 | 1h 34m |
| Frontier Airlines | 3 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 18,828 | 1h 33m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to FSD flight schedule
8 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 8:00am and the last at 9:04pm. 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 5975United Airlines · operated by SkyWest Airlines | 8:00am | 10:43am | 26 | 92% |
| UA 4759United Airlines · operated by SkyWest Airlines | 9:50am | 12:39pm | 31 | 89% |
| UA 5378United Airlines · operated by SkyWest Airlines | 1:40pm | 4:23pm | 31 | 86% |
| UA 5229United Airlines · operated by SkyWest Airlines | 3:34pm | 6:15pm | 15 | 86% |
| UA 4776United Airlines · operated by SkyWest Airlines | 3:35pm | 6:16pm | 7 | 73% |
| F9 2108Frontier Airlines | 4:42pm | 7:23pm | 11 | 75% |
| UA 645United Airlines | 5:30pm | 8:07pm | 31 | 76% |
| UA 5700United Airlines · operated by SkyWest Airlines | 9:04pm | 11:44pm | 31 | 81% |
Is DEN to FSD on time?
From September 2025 to August 2026, 83% of 1,817 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 8pm were the most punctual (91%), those around 5pm the least (76%). Most delay time was caused by late-arriving aircraft (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,678 | 84% | 14 min | 1% |
| Frontier Airlines | 139 | 75% | 20 min | 0% |
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 |
|---|---|---|---|
| 7am to 8am | 74 | 88% | |
| 8am to 9am | 83 | 95% | |
| 9am to 10am | 160 | 89% | |
| 10am to 11am | 226 | 88% | |
| 1pm to 2pm | 367 | 87% | |
| 3pm to 4pm | 87 | 71% | |
| 4pm to 5pm | 41 | 71% | |
| 5pm to 6pm | 336 | 76% | |
| 6pm to 7pm | 45 | 69% | |
| 8pm to 9pm | 101 | 91% | |
| 9pm to 10pm | 261 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 183 | 14,846 | |
| September 2025 | 158 | 12,961 | |
| October 2025 | 161 | 14,408 | |
| November 2025 | 130 | 10,856 | |
| December 2025 | 127 | 10,343 | |
| January 2026 | 131 | 10,772 | |
| February 2026 | 123 | 10,601 | |
| March 2026 | 129 | 11,125 | |
| April 2026 | 132 | 10,323 | |
| May 2026 | 168 | 11,817 | |
| June 2026 | 182 | 13,158 | |
| July 2026 | 185 | 13,327 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.