Chicago (ORD) to Peoria (PIA): On-Time Performance
Data through July 2026
When you fly ORD to PIA matters as much as anything else about the booking: the route swung from 89% on-time in October 2024 to just 57% in July 2025. Across the full period the route averages 72% on-time against a national 78%.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 2.9%
- Flights/day
- 6.3
- last 12 months
- Duration
- 1h 8m
- scheduled
- Distance
- 130 mi
Best airline from ORD to PIA
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 76% | 18 min | 0.0% | 70 |
| Envoy Air | 73% | 16 min | 3.8% | 1,331 |
| SkyWest Airlines | 72% | 23 min | 2.6% | 2,773 |
Monthly on-time trend
Best time to fly from ORD to PIA
Aim for departures around 11 p.m. (84% on-time); avoid 7 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 21 min |
| Tuesdaybest | 78% | 14 min |
| Wednesday | 74% | 20 min |
| Thursday | 71% | 20 min |
| Friday | 68% | 23 min |
| Saturday | 77% | 18 min |
| Sunday | 66% | 27 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations34%
- National airspace system19%
- Weather12%
Frequently asked questions
- How often are flights from ORD to PIA delayed?
- 28% of ORD–PIA 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 21 minutes.
- Which airline is most reliable from ORD to PIA?
- Republic Airways has the best on-time record on this route at 76%, based on 70 flights. 3 airlines flew ORD–PIA frequently enough to compare in this period.
- What is the best time of day to fly from ORD to PIA?
- Departures around 11 p.m. have the best record (84% on-time), while departures around 7 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to PIA?
- The scheduled ORD–PIA flight time averages 1h 8m over 130 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are ORD to PIA flights cancelled?
- 2.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ORD to PIA?
- July 2025 was the roughest month in this dataset, with only 57% of arrivals on time. The best was October 2024 at 89%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 4,174 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.