Best Time to Fly JST to ORD: On-Time Stats by Hour & Airline
John Murtha Johnstown-Cambria County → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
362 flights were scheduled from Johnstown (JST) to Chicago (ORD) in the last 12 months, and 68.0% of those that flew arrived on time, 9.7 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
October has been the best month (92% on time) and Thursday the weakest day of the week (69%).
6.3% of flights were cancelled, versus 1.8% nationally.
JST 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 | 68.0% | 172 min | 6.3% | 362 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JST to ORD
On-time arrival % by scheduled departure hour (local time), 726 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | Limited data | 3 | |
| 2pm–3pm | 71.2% | 4.0% | 723 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JST to ORD
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) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 28 | ||
| Summer peak (Jun 15 - Aug 15) | 68.3% | -4.1 pts | 2.4% | 124 |
| All other days | 72.5% | — | 3.7% | 562 |
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).