Johnstown (JST) to Chicago (ORD): On-Time Performance
Data through July 2026
Johnstown (JST) to Chicago (ORD) 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, 72% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 3.8% of scheduled flights never departed.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 50 min
- completed flights
- Cancelled
- 3.8%
- Flights/day
- 0.99
- last 12 months
- Duration
- 1h 57m
- scheduled
- Distance
- 487 mi
Monthly on-time trend
Best time to fly from JST to ORD
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 57 min |
| Tuesdaybest | 77% | 47 min |
| Wednesday | 72% | 54 min |
| Thursday | 70% | 52 min |
| Friday | 71% | 56 min |
| Saturday | 73% | 29 min |
| Sunday | 71% | 53 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft62%
- Airline operations12%
- National airspace system15%
- Weather11%
Frequently asked questions
- How often are flights from JST to ORD delayed?
- 28% of JST–ORD 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 50 minutes.
- How long is the flight from JST to ORD?
- The scheduled JST–ORD flight time averages 1h 57m over 487 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are JST to ORD flights cancelled?
- 3.8% 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 JST to ORD?
- December 2025 was the roughest month in this dataset, with only 46% of arrivals on time. The best was July 2024 at 97%. If your dates are flexible, that 51-point gap is worth planning around.
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Based on 757 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.