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

Chicago, IL (ORD) to Madison, WI (MSN) flight delay odds

68.7% of 4,029 official scheduled ORD-to-MSN flights arrived on time; 19.7% arrived at least 30 minutes late and 3.8% 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
68.7%arrived on time
19.7%30+ min late
3.8%cancelled
4,029scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.5%all scheduled flights
120+ minutes late5.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+17.2 mincompleted flights

Which departure time was most reliable for ORD to MSN?

Among qualifying ORD-to-MSN departure window results, Early morning had the highest on-time rate: 82.2% of 456 flights. Night was lowest at 59.3% across 615 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning45682.2%11.0%1.1%
Late morning51772.1%18.6%2.7%
Afternoon1,30371.2%19.0%3.3%
Evening1,13863.8%21.8%4.5%
Night61559.3%24.9%6.5%

Which weekday was most reliable for ORD to MSN?

Among qualifying ORD-to-MSN weekday results, Tuesday had the highest on-time rate: 73.8% of 569 flights. Sunday was lowest at 66.2% across 594 flights.

DayFlightsOn time30+ minCancelled
Monday60966.3%22.2%4.8%
Tuesday56973.8%17.6%2.5%
Wednesday55369.4%18.6%2.5%
Thursday58866.8%21.9%3.7%
Friday58768.1%17.9%4.3%
Saturday52970.5%17.8%3.2%
Sunday59466.2%21.5%5.4%

Which airline was most reliable for ORD to MSN?

Among qualifying ORD-to-MSN airline results, Republic Airways had the highest on-time rate: 76.3% of 651 flights. PSA Airlines was lowest at 44.4% across 108 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,26663.5%24.2%5.1%
Envoy Air1,06873.8%15.4%3.9%
United Airlines93667.3%20.6%2.0%
Republic Airways65176.3%14.0%2.5%
PSA Airlines10844.4%36.1%10.2%

Which month was most reliable for ORD to MSN?

Among qualifying ORD-to-MSN month results, May 2026 had the highest on-time rate: 76.7% of 403 flights. December 2025 was lowest at 55.0% across 300 flights.

MonthFlightsOn time30+ minCancelled
July 202526166.7%23.4%4.2%
August 202532775.8%16.2%2.1%
September 202533676.5%13.4%0.0%
October 202535374.2%17.3%0.0%
November 202537063.2%19.2%10.0%
December 202530055.0%31.7%4.3%
January 202631855.7%32.1%2.5%
February 202626272.1%19.1%0.4%
March 202634462.5%20.3%10.5%
April 202642768.6%18.7%5.4%
May 202640376.7%15.6%1.0%
June 202632874.4%13.1%4.0%

What drove ORD to MSN delay minutes?

Late aircraft was the largest recorded ORD-to-MSN delay category, accounting for 41.3% of 91,105 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.5%
Late aircraft41.3%
National airspace16.5%
Weather15.5%
Security0.1%
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.