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

Chicago, IL (ORD) to Columbia, MO (COU) flight delay odds

67.6% of 1,903 official scheduled ORD-to-COU flights arrived on time; 20.8% arrived at least 30 minutes late and 3.5% 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
67.6%arrived on time
20.8%30+ min late
3.5%cancelled
1,903scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.7%all scheduled flights
120+ minutes late4.8%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+16.1 mincompleted flights

Which departure time was most reliable for ORD to COU?

Among qualifying ORD-to-COU departure window results, Early morning had the highest on-time rate: 82.1% of 190 flights. Evening was lowest at 60.0% across 737 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning19082.1%11.6%0.5%
Late morning34172.7%17.9%1.8%
Afternoon58969.8%18.3%3.2%
Evening73760.0%26.7%4.7%
Night4665.2%17.4%13.0%

Which weekday was most reliable for ORD to COU?

Among qualifying ORD-to-COU weekday results, Tuesday had the highest on-time rate: 72.6% of 266 flights. Monday was lowest at 63.8% across 287 flights.

DayFlightsOn time30+ minCancelled
Monday28763.8%23.7%4.9%
Tuesday26672.6%17.7%1.9%
Wednesday25767.7%23.7%2.3%
Thursday28069.6%18.9%2.9%
Friday27966.3%22.2%4.3%
Saturday24969.9%18.1%4.0%
Sunday28564.2%21.1%4.2%

Which airline was most reliable for ORD to COU?

Among qualifying ORD-to-COU airline results, Envoy Air had the highest on-time rate: 71.4% of 1,124 flights. SkyWest Airlines was lowest at 62.1% across 779 flights.

AirlineFlightsOn time30+ minCancelled
Envoy Air1,12471.4%17.8%2.6%
SkyWest Airlines77962.1%25.2%4.9%

Which month was most reliable for ORD to COU?

Among qualifying ORD-to-COU month results, May 2026 had the highest on-time rate: 82.8% of 186 flights. December 2025 was lowest at 48.8% across 205 flights.

MonthFlightsOn time30+ minCancelled
July 20258263.4%26.8%0.0%
August 20257767.5%19.5%3.9%
September 202510881.5%11.1%0.9%
October 202517977.7%14.5%0.0%
November 202516665.1%19.3%7.2%
December 202520548.8%34.1%4.4%
January 202618560.5%25.4%3.8%
February 202616469.5%24.4%0.0%
March 202618257.7%28.6%7.1%
April 202619567.2%19.0%6.7%
May 202618682.8%9.7%2.2%
June 202617475.9%14.4%2.9%

What drove ORD to COU delay minutes?

Late aircraft was the largest recorded ORD-to-COU delay category, accounting for 48.2% of 44,074 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.3%
Late aircraft48.2%
National airspace18.2%
Weather8.2%
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.