Best Time to Fly IDA to ORD: On-Time Stats by Hour & Airline
Idaho Falls Regional → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
169 flights were scheduled from Idaho Falls (IDA) to Chicago (ORD) in the last 12 months, and 62.7% of those that flew arrived on time, 15.0 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
The cancellation rate was 3.0% (US average 1.8%).
IDA to ORD 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 | 62.7% | 110 min | 3.0% | 169 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IDA to ORD
On-time arrival % by scheduled departure hour (local time), 169 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12pm–1pm | 64.3% | 2.7% | 150 |
| 1pm–2pm | Limited data | 15 | |
| 2pm–3pm | Limited data | 4 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IDA to ORD
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) | 72.4% | +15.4 pts | 4.8% | 63 |
| All other days | 57.0% | — | 1.9% | 106 |
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).