Best Time to Fly ORD to BMI: On-Time Stats by Hour & Airline
Chicago O'Hare International → Central Il Regional Airport at Bloomington
Data through July 2026 · Last updated October 18, 2026
879 flights were scheduled from Chicago (ORD) to Bloomington/Normal (BMI) in the last 12 months, and 77.8% of those that flew arrived on time, in line with the US average of 77.6%.
Envoy Air was the only reporting airline with regular flights on this route.
October has been the best month (87% on time) and Friday the weakest day of the week (72%).
3.6% of flights were cancelled, versus 1.8% nationally.
ORD to BMI 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 | 77.8% | 69 min | 3.6% | 879 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to BMI
On-time arrival % by scheduled departure hour (local time), 1,147 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 4 | |
| 9am–10am | 78.0% | 2.9% | 170 |
| 10am–11am | 96.7% | 0.0% | 30 |
| 12pm–1pm | Limited data | 2 | |
| 1pm–2pm | 84.5% | 1.6% | 250 |
| 2pm–3pm | 82.0% | 0.0% | 61 |
| 3pm–4pm | Limited data | 8 | |
| 4pm–5pm | 79.6% | 3.7% | 107 |
| 5pm–6pm | Limited data | 3 | |
| 6pm–7pm | 78.1% | 7.2% | 69 |
| 7pm–8pm | 66.7% | 0.0% | 39 |
| 8pm–9pm | 75.9% | 1.2% | 85 |
| 9pm–10pm | 76.5% | 2.9% | 35 |
| 10pm–11pm | 67.8% | 5.0% | 222 |
| 11pm–12am | 75.4% | 8.1% | 62 |
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 BMI
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) | Limited data | 18 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 70.7% | -9.5 pts | 4.6% | 218 |
| All other days | 80.2% | — | 2.4% | 881 |
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).