Chicago (ORD) to State College (SCE): On-Time Performance
Data through July 2026
Chicago (ORD) to State College (SCE) effectively runs on two schedules. In September 2024, 90% of arrivals were on time; in April 2026 that fell to 48% — a 42-point seasonal swing. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (75% vs 62%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 1.5
- last 12 months
- Duration
- 1h 54m
- scheduled
- Distance
- 528 mi
Monthly on-time trend
Best time to fly from ORD to SCE
Aim for departures around 1 p.m. (79% on-time); avoid 6 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 19 min |
| Tuesday | 71% | 20 min |
| Wednesdaybest | 80% | 13 min |
| Thursday | 77% | 14 min |
| Friday | 68% | 19 min |
| Saturday | 76% | 17 min |
| Sunday | 70% | 29 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations45%
- National airspace system19%
- Weather10%
Frequently asked questions
- How often are flights from ORD to SCE delayed?
- 26% of ORD–SCE 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 19 minutes.
- What is the best time of day to fly from ORD to SCE?
- Departures around 1 p.m. have the best record (79% on-time), while departures around 6 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to SCE?
- The scheduled ORD–SCE flight time averages 1h 54m over 528 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are ORD to SCE flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ORD to SCE?
- April 2026 was the roughest month in this dataset, with only 48% of arrivals on time. The best was September 2024 at 90%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 997 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.