Best Time to Fly ORD to JST: On-Time Stats by Hour & Airline
Chicago O'Hare International → John Murtha Johnstown-Cambria County
Data through July 2026 · Last updated October 18, 2026
362 flights were scheduled from Chicago (ORD) to Johnstown (JST) in the last 12 months, and 63.9% of those that flew arrived on time, 13.8 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (73% on time) and December the worst month (54%).
The cancellation rate was 5.8% (US average 1.8%).
ORD to JST 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 | 63.9% | 182 min | 5.8% | 362 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to JST
On-time arrival % by scheduled departure hour (local time), 726 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7pm–8pm | Limited data | 18 | |
| 8pm–9pm | 66.3% | 2.3% | 177 |
| 9pm–10pm | 65.0% | 4.3% | 531 |
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 JST
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) | 57.3% | -10.9 pts | 4.0% | 124 |
| All other days | 68.1% | — | 3.2% | 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).