Best Time to Fly ORD to IDA: On-Time Stats by Hour & Airline
Chicago O'Hare International → Idaho Falls Regional
Data through July 2026 · Last updated October 18, 2026
170 flights were scheduled from Chicago (ORD) to Idaho Falls (IDA) in the last 12 months, and 57.4% of those that flew arrived on time, 20.2 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
0.6% of flights were cancelled, versus 1.8% nationally.
ORD 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 | 57.4% | 57 min | 0.6% | 170 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to IDA
On-time arrival % by scheduled departure hour (local time), 170 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 56.5% | 1.4% | 70 |
| 10am–11am | 60.6% | 0.0% | 66 |
| 11am–12pm | 52.9% | 0.0% | 34 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to IDA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Summer peak (Jun 15 - Aug 15) | 57.1% | -0.4 pts | 0.0% | 63 |
| All other days | 57.5% | — | 0.9% | 107 |
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).