Best Time to Fly DEN to IDA: On-Time Stats by Hour & Airline
Denver International → Idaho Falls Regional
Data through July 2026 · Last updated October 18, 2026
1,698 flights were scheduled from Denver (DEN) to Idaho Falls (IDA) in the last 12 months, and 81.9% of those that flew arrived on time, 4.3 points above the US average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 82.1%, while United Airlines trailed at 79.9%.
September has been the best month (88% on time) and Thursday the weakest day of the week (76%).
0.5% of flights were cancelled, versus 1.8% nationally.
DEN to IDA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 82.1% | 68 min | 0.5% | 1,474 |
| United Airlines | 79.9% | 63 min | 0.0% | 215 |
| Allegiant Air | Limited data | 9 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to IDA
On-time arrival % by scheduled departure hour (local time), 3,288 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 4 | |
| 7am–8am | 84.1% | 0.0% | 109 |
| 8am–9am | 86.9% | 0.3% | 602 |
| 11am–12pm | 81.3% | 0.0% | 729 |
| 1pm–2pm | 79.9% | 0.2% | 418 |
| 2pm–3pm | Limited data | 13 | |
| 3pm–4pm | 80.7% | 2.1% | 480 |
| 4pm–5pm | Limited data | 7 | |
| 7pm–8pm | 72.0% | 1.1% | 726 |
| 9pm–10pm | 69.5% | 1.5% | 200 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to IDA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 70.2% | -11.2 pts | 0.0% | 57 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.1% | -0.3 pts | 0.8% | 134 |
| Summer peak (Jun 15 - Aug 15) | 72.4% | -9.0 pts | 0.9% | 663 |
| All other days | 81.4% | — | 0.7% | 2,434 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).