Peoria (PIA) to Chicago (ORD): On-Time Performance
Data through May 2026
When you fly PIA to ORD matters as much as anything else about the booking: the route swung from 86% on-time in October 2024 to just 58% in December 2025. Across the full period the route averages 72% on-time against a national 78%. Morning departures also hold up better than evening ones (81% vs 55%), which matters most in the rough months.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 2.7%
- Flights/day
- 6.4
- last 12 months
- Duration
- 1h 11m
- scheduled
- Distance
- 130 mi
Best airline from PIA to ORD
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 81% | 14 min | 0.0% | 70 |
| Envoy Air | 77% | 16 min | 3.4% | 1,147 |
| SkyWest Airlines | 69% | 31 min | 2.4% | 2,674 |
Monthly on-time trend
Best time to fly from PIA to ORD
Aim for departures around 5 a.m. (87% on-time); avoid 5 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 31 min |
| Tuesday | 75% | 19 min |
| Wednesdaybest | 76% | 21 min |
| Thursday | 70% | 32 min |
| Friday | 68% | 26 min |
| Saturdaybest | 76% | 22 min |
| Sunday | 65% | 34 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations31%
- National airspace system26%
- Weather11%
Frequently asked questions
- How often are flights from PIA to ORD delayed?
- 28% of PIA–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 27 minutes.
- Which airline is most reliable from PIA to ORD?
- Republic Airways has the best on-time record on this route at 81%, based on 70 flights. 3 airlines flew PIA–ORD frequently enough to compare in this period.
- What is the best time of day to fly from PIA to ORD?
- Departures around 5 a.m. have the best record (87% on-time), while departures around 5 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PIA to ORD?
- The scheduled PIA–ORD flight time averages 1h 11m over 130 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are PIA to ORD flights cancelled?
- 2.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from PIA to ORD?
- December 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was October 2024 at 86%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 3,891 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.