FlightRecord

Bloomington/Normal (BMI) to Chicago (ORD): On-Time Performance

Data through May 2026

When you fly BMI to ORD matters as much as anything else about the booking: the route swung from 94% on-time in May 2026 to just 64% in December 2025. Across the full period the route averages 83% on-time against a national 78%.

On-time
83%
arrived <15 min late
Avg delay
16 min
completed flights
Cancelled
2.3%
Flights/day
2.4
last 12 months
Duration
1h 7m
scheduled
Distance
116 mi

Monthly on-time trend

Monthly on-time percentage for BMI to ORD flights50%75%100%April 2025: 89% on-time (54 flights)89Apr 2025May 2025: 91% on-time (88 flights)91June 2025: 84% on-time (64 flights)84July 2025: 75% on-time (62 flights)75Jul 2025August 2025: 93% on-time (62 flights)93September 2025: 85% on-time (60 flights)85October 2025: 75% on-time (61 flights)75Oct 2025November 2025: 83% on-time (86 flights)83December 2025: 64% on-time (79 flights)64January 2026: 84% on-time (58 flights)84Jan 2026February 2026: 92% on-time (72 flights)92March 2026: 76% on-time (93 flights)76April 2026: 81% on-time (90 flights)81Apr 2026May 2026: 94% on-time (93 flights)94

Best time to fly from BMI to ORD

Aim for departures around 5 a.m. (89% on-time); avoid 8 p.m. departures (56%).

On-time percentage by scheduled departure hour, BMI to ORD5 a.m.: 89% on-time (202 flights)56 a.m.: 88% on-time (177 flights)68 a.m.: 87% on-time (39 flights)811 a.m.: 79% on-time (196 flights)112 p.m.: 84% on-time (194 flights)143 p.m.: 82% on-time (57 flights)154 p.m.: 80% on-time (65 flights)165 p.m.: 59% on-time (27 flights)178 p.m.: 56% on-time (34 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday85%12 min
Tuesday84%21 min
Wednesdaybest87%13 min
Thursday82%21 min
Friday81%18 min
Saturday84%11 min
Sunday79%14 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft46%
  • Airline operations12%
  • National airspace system19%
  • Weather23%

Frequently asked questions

How often are flights from BMI to ORD delayed?
17% of BMI–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 16 minutes.
What is the best time of day to fly from BMI to ORD?
Departures around 5 a.m. have the best record (89% on-time), while departures around 8 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from BMI to ORD?
The scheduled BMI–ORD flight time averages 1h 7m over 116 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
How often are BMI to ORD flights cancelled?
2.3% 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 BMI to ORD?
December 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was May 2026 at 94%. If your dates are flexible, that 30-point gap is worth planning around.

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Based on 1,022 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.