BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ORD→BMI

Chicago, IL (ORD) to Bloomington/Normal, IL (BMI) flight delay odds

74.5% of 879 official scheduled ORD-to-BMI flights arrived on time; 16.3% arrived at least 30 minutes late and 3.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
74.5%arrived on time
16.3%30+ min late
3.2%cancelled
879scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.9%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.9 mincompleted flights

Which departure time was most reliable for ORD to BMI?

Among qualifying ORD-to-BMI departure window results, Afternoon had the highest on-time rate: 82.2% of 309 flights. Night was lowest at 66.4% across 232 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning17075.3%17.6%2.9%
Afternoon30982.2%11.0%2.3%
Evening16470.1%18.9%3.7%
Night23266.4%20.7%4.3%

Which weekday was most reliable for ORD to BMI?

Among qualifying ORD-to-BMI weekday results, Tuesday had the highest on-time rate: 79.1% of 129 flights. Wednesday was lowest at 70.9% across 127 flights.

DayFlightsOn time30+ minCancelled
Monday12774.8%19.7%2.4%
Tuesday12979.1%11.6%3.9%
Wednesday12770.9%16.5%4.7%
Thursday12474.2%17.7%3.2%
Friday12473.4%17.7%0.8%
Saturday12176.0%14.0%4.1%
Sunday12773.2%16.5%3.1%

Which airline was most reliable for ORD to BMI?

Only Envoy Air met the ORD-to-BMI airline threshold: 74.5% of 879 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Envoy Air87974.5%16.3%3.2%

Which month was most reliable for ORD to BMI?

Among qualifying ORD-to-BMI month results, October 2025 had the highest on-time rate: 86.9% of 61 flights. December 2025 was lowest at 55.7% across 79 flights.

MonthFlightsOn time30+ minCancelled
July 20256262.9%21.0%1.6%
August 20256282.3%9.7%3.2%
September 20256085.0%6.7%0.0%
October 20256186.9%6.6%0.0%
November 20258673.3%14.0%12.8%
December 20257955.7%32.9%2.5%
January 20265870.7%22.4%1.7%
February 20267284.7%11.1%0.0%
March 20269367.7%16.1%6.5%
April 20269072.2%23.3%2.2%
May 20269384.9%7.5%0.0%
June 20266371.4%22.2%4.8%

What drove ORD to BMI delay minutes?

Late aircraft was the largest recorded ORD-to-BMI delay category, accounting for 51.6% of 12,562 BTS-attributed delay minutes during July 2025–June 2026.

Airline15.0%
Late aircraft51.6%
National airspace21.1%
Weather12.4%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.