Best Time to Fly JAC to ORD: On-Time Stats by Hour & Airline
Jackson Hole → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
820 flights were scheduled from Jackson (JAC) to Chicago (ORD) in the last 12 months, and 70.0% of those that flew arrived on time, 7.6 points below the US average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 78.0%, while American Airlines trailed at 61.7%.
May has been the best month (92% on time) and Sunday the weakest day of the week (64%).
2.2% of flights were cancelled, versus 1.8% nationally.
JAC 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 |
|---|---|---|---|---|
| United Airlines | 78.0% | 125 min | 2.8% | 422 |
| American Airlines | 61.7% | 109 min | 1.5% | 398 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JAC to ORD
On-time arrival % by scheduled departure hour (local time), 1,580 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 82.1% | 2.9% | 208 |
| 8am–9am | 75.9% | 3.3% | 61 |
| 9am–10am | Limited data | 7 | |
| 11am–12pm | 82.8% | 0.8% | 117 |
| 12pm–1pm | 74.8% | 0.7% | 615 |
| 1pm–2pm | 63.9% | 0.8% | 355 |
| 2pm–3pm | Limited data | 26 | |
| 3pm–4pm | 57.8% | 1.1% | 191 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JAC to ORD
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | 63.2% | -12.6 pts | 1.7% | 58 |
| Summer peak (Jun 15 - Aug 15) | 63.4% | -12.4 pts | 1.2% | 489 |
| All other days | 75.7% | — | 1.2% | 1,033 |
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).