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

Chicago, IL (ORD) to Mosinee, WI (CWA) flight delay odds

71.2% of 1,000 official scheduled ORD-to-CWA flights arrived on time; 16.8% arrived at least 30 minutes late and 3.6% 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
71.2%arrived on time
16.8%30+ min late
3.6%cancelled
1,000scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.3%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+9.5 mincompleted flights

Which departure time was most reliable for ORD to CWA?

Among qualifying ORD-to-CWA departure window results, Early morning had the highest on-time rate: 80.7% of 161 flights. Night was lowest at 65.7% across 271 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning16180.7%11.2%0.0%
Late morning13870.3%18.8%2.9%
Afternoon33772.1%17.5%2.4%
Evening9368.8%16.1%4.3%
Night27165.7%18.5%7.4%

Which weekday was most reliable for ORD to CWA?

Among qualifying ORD-to-CWA weekday results, Tuesday had the highest on-time rate: 78.2% of 142 flights. Thursday was lowest at 67.1% across 143 flights.

DayFlightsOn time30+ minCancelled
Monday14668.5%19.9%5.5%
Tuesday14278.2%12.7%1.4%
Wednesday13869.6%15.9%2.9%
Thursday14367.1%18.9%2.1%
Friday14571.0%16.6%3.4%
Saturday14168.1%16.3%5.7%
Sunday14575.9%17.2%4.1%

Which airline was most reliable for ORD to CWA?

Only Envoy Air met the ORD-to-CWA airline threshold: 71.2% of 997 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Envoy Air99771.2%16.8%3.6%
SkyWest Airlines366.7%33.3%0.0%

Which month was most reliable for ORD to CWA?

Among qualifying ORD-to-CWA month results, May 2026 had the highest on-time rate: 86.0% of 93 flights. December 2025 was lowest at 47.7% across 88 flights.

MonthFlightsOn time30+ minCancelled
July 20259063.3%25.6%1.1%
August 20258175.3%9.9%2.5%
September 20258580.0%10.6%0.0%
October 20259275.0%17.4%0.0%
November 20258970.8%15.7%6.7%
December 20258847.7%35.2%8.0%
January 20266668.2%21.2%1.5%
February 20267378.1%13.7%0.0%
March 20266968.1%11.6%11.6%
April 20268466.7%15.5%7.1%
May 20269386.0%9.7%1.1%
June 20269074.4%14.4%4.4%

What drove ORD to CWA delay minutes?

Late aircraft was the largest recorded ORD-to-CWA delay category, accounting for 47.3% of 15,496 BTS-attributed delay minutes during July 2025–June 2026.

Airline16.3%
Late aircraft47.3%
National airspace21.4%
Weather15.0%
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.