Chicago (ORD) to Bloomington/Normal (BMI): On-Time Performance
Data through July 2026
Delays are only half the story on ORD–BMI: 3.1% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 78% land on time, below the national average of 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 3.1%
- Flights/day
- 2.4
- last 12 months
- Duration
- 1h 1m
- scheduled
- Distance
- 116 mi
Monthly on-time trend
Best time to fly from ORD to BMI
Aim for departures around 10 a.m. (97% on-time); avoid 7 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 15 min |
| Tuesdaybest | 81% | 11 min |
| Wednesday | 77% | 17 min |
| Thursday | 78% | 15 min |
| Friday | 72% | 21 min |
| Saturday | 78% | 11 min |
| Sunday | 78% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations17%
- National airspace system20%
- Weather11%
Frequently asked questions
- How often are flights from ORD to BMI delayed?
- 22% of ORD–BMI 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 15 minutes.
- What is the best time of day to fly from ORD to BMI?
- Departures around 10 a.m. have the best record (97% on-time), while departures around 7 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to BMI?
- The scheduled ORD–BMI flight time averages 1h 1m over 116 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are ORD to BMI flights cancelled?
- 3.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from ORD to BMI?
- December 2025 was the roughest month in this dataset, with only 57% of arrivals on time. The best was October 2025 at 87%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 1,147 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.