Chicago (ORD) to Johnstown (JST): On-Time Performance
Data through July 2026
Chicago (ORD) to Johnstown (JST) is a thinner route than most in this dataset — 362 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 63% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 3.7% of scheduled flights never departed.
- On-time
- 63%
- arrived <15 min late
- Avg delay
- 52 min
- completed flights
- Cancelled
- 3.7%
- Flights/day
- 0.99
- last 12 months
- Duration
- 1h 47m
- scheduled
- Distance
- 487 mi
Monthly on-time trend
Best time to fly from ORD to JST
Aim for departures around 8 p.m. (66% on-time); avoid 7 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 66% | 56 min |
| Tuesdaybest | 69% | 44 min |
| Wednesday | 64% | 42 min |
| Thursday | 64% | 68 min |
| Friday | 53% | 62 min |
| Saturday | 67% | 48 min |
| Sunday | 60% | 43 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft18%
- Airline operations42%
- National airspace system12%
- Weather28%
Frequently asked questions
- How often are flights from ORD to JST delayed?
- 37% of ORD–JST flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 52 minutes.
- What is the best time of day to fly from ORD to JST?
- Departures around 8 p.m. have the best record (66% on-time), while departures around 7 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to JST?
- The scheduled ORD–JST flight time averages 1h 47m over 487 miles. Actual arrival times vary — flights on this route land 15+ minutes late 37% of the time.
- How often are ORD to JST flights cancelled?
- 3.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from ORD to JST?
- November 2025 was the roughest month in this dataset, with only 44% of arrivals on time. The best was May 2026 at 83%. If your dates are flexible, that 39-point gap is worth planning around.
Explore related pages
More routes from ORD
Other ways to fly to Johnstown (JST)
Related guides
Based on 757 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.