Best Time to Fly ORD to PIA: On-Time Stats by Hour & Airline
Chicago O'Hare International → General Downing - Peoria International
Data through July 2026 · Last updated October 18, 2026
2,283 flights were scheduled from Chicago (ORD) to Peoria (PIA) in the last 12 months, and 70.8% of those that flew arrived on time, 6.8 points below the US average of 77.6%.
Envoy Air was the most punctual of the 2 airlines on the route at 75.2%, while SkyWest Airlines trailed at 67.3%.
September has been the best month (81% on time) and Sunday the weakest day of the week (66%).
4.6% of flights were cancelled, versus 1.8% nationally.
ORD to PIA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 75.2% | 54 min | 4.6% | 1,023 |
| SkyWest Airlines | 67.3% | 75 min | 4.5% | 1,260 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to PIA
On-time arrival % by scheduled departure hour (local time), 4,083 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 16 | |
| 8am–9am | 77.3% | 3.5% | 485 |
| 9am–10am | 78.4% | 0.4% | 475 |
| 10am–11am | 65.7% | 2.8% | 36 |
| 11am–12pm | 73.5% | 2.8% | 284 |
| 12pm–1pm | 78.9% | 1.8% | 217 |
| 1pm–2pm | 76.7% | 0.6% | 181 |
| 2pm–3pm | 63.3% | 1.1% | 91 |
| 3pm–4pm | 68.7% | 2.2% | 760 |
| 4pm–5pm | 59.5% | 0.0% | 131 |
| 5pm–6pm | 70.6% | 6.2% | 244 |
| 6pm–7pm | 67.8% | 6.3% | 126 |
| 7pm–8pm | 58.1% | 0.0% | 31 |
| 8pm–9pm | 70.3% | 2.3% | 512 |
| 9pm–10pm | 65.2% | 4.7% | 148 |
| 10pm–11pm | 69.0% | 8.5% | 293 |
| 11pm–12am | 83.7% | 7.5% | 53 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to PIA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 48.0% | -25.5 pts | 16.7% | 60 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.2% | -4.4 pts | 1.6% | 123 |
| Summer peak (Jun 15 - Aug 15) | 67.8% | -5.8 pts | 2.4% | 764 |
| All other days | 73.5% | — | 2.9% | 3,136 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).