Historical on-time performance
State College Pennsylvania to Chicago
528 miData through May 2026Source: US DOT · BTS
Flights on SCE–ORD arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay95 min1 in 10 flights is worse (tail risk)
Cancelled2.0%of scheduled flights
based on 346 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time70%Medianon timep9095 minCancel2.0%Flights346
Why flights run late
Delay causes
- Airline35%
- Weather18%
- Air traffic (NAS)15%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather71%
- Air traffic (NAS)29%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SCE → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 55 min · 485 flights
- Middays78% on time · p90 70 min · 678 flights
- Evenings68% on time · p90 60 min · 643 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 81% on time.
- Thursdays81% on time · p90 60 min · 267 flights
- Mondays79% on time · p90 50 min · 270 flights
- Saturdays75% on time · p90 55 min · 268 flights
- Sundays74% on time · p90 55 min · 294 flights
- Fridays74% on time · p90 60 min · 284 flights
- Tuesdays74% on time · p90 80 min · 245 flights
- Wednesdays74% on time · p90 60 min · 236 flights
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