Mosinee, WI

What the Data Says About CWA

Mosinee, WI in Mosinee, Wisconsin handled 16,116 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 87.4% on-time departure rate. Of those flights, 2,035 experienced delays, 158 were cancelled, and 13 were diverted. The cancellation rate works out to 0.98%, the diversion rate to 0.08%, and the average delay when departures run late is 92.3 minutes. These figures are the baseline for comparing CWA against other airports in the same state and nationally.

Breaking down what drives delays at CWA, Late Aircraft leads the pack. Late Aircraft accounts for 40.2% of total delay minutes, followed by Carrier at 34.1% and NAS (National Aviation System) at 16.6%. Weather contributes 9.1% of delay minutes at this airport, while security holds the smallest share at 0.0%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, April runs the cleanest at CWA with a 97% on-time rate, while December is the roughest at 90.9% — a 6-point swing between best and worst month. Volume peaks in January, when average flights hit 266. The busiest route from CWA is to MSP (Minneapolis), with 3,603 flights at a 90.2% on-time rate. Combine these numbers — 87.4% on-time, 92.3-minute average delay, 0.98% cancellation rate — and you have a concrete picture of departure reliability at Mosinee, WI.