Idaho Falls (IDA) to Denver (DEN) flights
SkyWest Airlines, United Airlines fly nonstop from Idaho Falls Regional Airport to Denver International Airport, with about 34 flights a week in July 2026. The 458-mile flight takes about 1h 43m gate to gate.
- Distance
- 458 mi · 737 km
- Flight time
- 1h 43m
- Airlines
- 2
- Seats filled
- 87%
Airlines flying IDA to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 28 | Embraer E175, Bombardier CRJ550, Bombardier CRJ700 | 81,300 | 1h 45m |
| United Airlines | 7 | Airbus A319, Boeing 737-800, Airbus A320-100/200 | 26,171 | 1h 32m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IDA to DEN flight schedule
5 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 7:00am and the last at 5:53pm. 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 4706United Airlines · operated by SkyWest Airlines | 7:00am | 8:55am | 31 | 91% |
| UA 5793United Airlines · operated by SkyWest Airlines | 10:35am | 12:27pm | 31 | 89% |
| UA 2155United Airlines | 2:25pm | 4:15pm | 31 | 72% |
| UA 5666United Airlines · operated by SkyWest Airlines | 4:04pm | 5:58pm | 31 | 65% |
| UA 5551United Airlines · operated by SkyWest Airlines | 5:53pm | 7:45pm | 31 | 68% |
Is IDA to DEN on time?
From September 2025 to August 2026, 81% of 1,664 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 6am were the most punctual (92%), those around 4pm the least (64%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,664 | 81% | 19 min | 0.4% |
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 |
|---|---|---|---|
| 5am to 6am | 93 | 89% | |
| 6am to 7am | 152 | 92% | |
| 7am to 8am | 212 | 88% | |
| 10am to 11am | 362 | 89% | |
| 2pm to 3pm | 364 | 80% | |
| 4pm to 5pm | 224 | 64% | |
| 5pm to 6pm | 239 | 70% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 184 | 10,289 | |
| September 2025 | 164 | 9,161 | |
| October 2025 | 147 | 8,522 | |
| November 2025 | 143 | 8,342 | |
| December 2025 | 136 | 8,814 | |
| January 2026 | 130 | 8,869 | |
| February 2026 | 111 | 7,849 | |
| March 2026 | 121 | 8,289 | |
| April 2026 | 119 | 7,640 | |
| May 2026 | 133 | 9,235 | |
| June 2026 | 149 | 10,123 | |
| July 2026 | 151 | 11,002 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.