Historical on-time performance
Peoria to Chicago
130 miData through May 2026Source: US DOT · BTS
Flights on PIA–ORD arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled4.1%of scheduled flights
based on 2,335 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time76%Medianon timep9040 minCancel0.0%Flights51
- Envoy AirbestOn-time74%Medianon timep9050 minCancel3.8%Flights1,008
- SkyWest AirlinesOn-time59%Medianon timep90110 minCancel4.5%Flights1,276
Why flights run late
Delay causes
- Airline23%
- Weather11%
- Air traffic (NAS)31%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline2%
- Weather64%
- Air traffic (NAS)34%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 95 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 PIA → 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 — 82% on time.
- Mornings82% on time · p90 35 min · 1,505 flights
- Middays73% on time · p90 75 min · 1,471 flights
- Afternoons70% on time · p90 85 min · 928 flights
- Evenings52% on time · p90 90 min · 935 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 75% on time.
- Wednesdays75% on time · p90 65 min · 693 flights
- Saturdays74% on time · p90 55 min · 651 flights
- Tuesdays73% on time · p90 55 min · 701 flights
- Thursdays71% on time · p90 70 min · 707 flights
- Mondays69% on time · p90 90 min · 719 flights
- Fridays68% on time · p90 75 min · 715 flights
- Sundays65% on time · p90 90 min · 708 flights
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