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

Chicago, IL (ORD) to Milwaukee, WI (MKE) flight delay odds

Historically, 60.9% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 5,201 flights.

HISTORICAL ROUTE SIGNALHigher disruption
60.9%arrived on time
26.0%30+ min late
4.7%cancelled
5,201scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late16.6%all scheduled flights
120+ minutes late7.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+27.9 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning40371.0%16.6%5.2%
Late morning87066.7%21.5%3.3%
Afternoon1,55760.4%26.4%4.8%
Evening1,69356.9%29.6%5.0%
Night67859.0%27.3%5.8%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday76157.6%28.0%5.3%
Tuesday73867.5%22.2%4.2%
Wednesday72264.8%24.8%2.5%
Thursday73760.8%25.1%5.3%
Friday74258.9%27.0%5.0%
Saturday74062.8%23.4%5.4%
Sunday76154.7%31.1%5.5%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines4,93360.7%26.3%4.6%
Envoy Air13060.8%26.9%4.6%
Republic Airways11273.2%15.2%7.1%
PSA Airlines2661.5%15.4%15.4%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202539455.8%31.7%3.8%
August 202539964.2%22.6%5.5%
September 202539472.6%19.5%1.0%
October 202546367.8%25.5%0.0%
November 202546462.9%17.9%11.2%
December 202540550.9%33.8%4.2%
January 202637353.4%35.9%2.7%
February 202641059.5%29.0%0.7%
March 202645052.9%26.0%11.3%
April 202651655.8%25.0%10.1%
May 202651770.6%20.7%1.0%
June 202641663.0%27.6%3.8%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline38.6%
Late aircraft28.5%
National airspace16.3%
Weather16.6%
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.