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

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

69.0% of 4,030 official scheduled MSN-to-ORD flights arrived on time; 17.7% 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
69.0%arrived on time
17.7%30+ min late
3.8%cancelled
4,030scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.9%all scheduled flights
120+ minutes late5.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+18.2 mincompleted flights

Which departure time was most reliable for MSN to ORD?

Among qualifying MSN-to-ORD departure window results, Early morning had the highest on-time rate: 78.8% of 1,440 flights. Evening was lowest at 51.5% across 707 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,44078.8%10.1%2.6%
Late morning55977.3%16.3%1.4%
Afternoon1,31964.5%22.3%3.2%
Evening70751.5%25.7%9.2%

Which weekday was most reliable for MSN to ORD?

Among qualifying MSN-to-ORD weekday results, Tuesday had the highest on-time rate: 72.7% of 567 flights. Sunday was lowest at 64.9% across 595 flights.

DayFlightsOn time30+ minCancelled
Monday60666.8%18.8%5.9%
Tuesday56772.7%15.3%2.1%
Wednesday55671.4%16.4%3.1%
Thursday58970.5%16.6%3.1%
Friday58466.6%18.5%4.6%
Saturday53370.9%17.1%3.6%
Sunday59564.9%21.2%4.4%

Which airline was most reliable for MSN to ORD?

Among qualifying MSN-to-ORD airline results, Envoy Air had the highest on-time rate: 75.1% of 1,067 flights. PSA Airlines was lowest at 29.6% across 108 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,26863.3%22.0%5.0%
Envoy Air1,06775.1%14.1%3.8%
United Airlines93770.9%14.1%2.3%
Republic Airways65074.2%16.0%2.5%
PSA Airlines10829.6%46.3%12.0%

Which month was most reliable for MSN to ORD?

Among qualifying MSN-to-ORD month results, September 2025 had the highest on-time rate: 81.1% of 333 flights. January 2026 was lowest at 60.3% across 317 flights.

MonthFlightsOn time30+ minCancelled
July 202526169.7%18.0%3.4%
August 202532969.6%17.9%2.4%
September 202533381.1%10.8%0.0%
October 202535466.1%17.8%0.3%
November 202537065.1%16.2%9.2%
December 202530160.5%26.2%6.0%
January 202631760.3%27.1%3.5%
February 202626274.0%16.4%0.8%
March 202634461.3%20.3%11.0%
April 202642768.1%17.8%4.4%
May 202640375.2%14.6%0.7%
June 202632977.2%11.2%3.6%

What drove MSN to ORD delay minutes?

Late aircraft was the largest recorded MSN-to-ORD delay category, accounting for 36.1% of 99,322 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.1%
Late aircraft36.1%
National airspace26.5%
Weather9.2%
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.