Hancock/Houghton, MI

What the Data Says About CMX

Hancock/Houghton, MI in Hancock/Houghton, Michigan handled 8,698 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 80.8% on-time departure rate. Of those flights, 1,668 experienced delays, 232 were cancelled, and 6 were diverted. The cancellation rate works out to 2.67%, the diversion rate to 0.07%, and the average delay when departures run late is 117.0 minutes. These figures are the baseline for comparing CMX against other airports in the same state and nationally.

Breaking down what drives delays at CMX, Carrier leads the pack. Carrier accounts for 49.0% of total delay minutes, followed by Late Aircraft at 24.9% and Weather at 17.9%. Weather contributes 17.9% 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, May runs the cleanest at CMX with a 93.9% on-time rate, while August is the roughest at 89% — a 5-point swing between best and worst month. Volume peaks in August, when average flights hit 131. The busiest route from CMX is to CMX (Hancock/Houghton), with 4,319 flights at a 78.6% on-time rate. Combine these numbers — 80.8% on-time, 117.0-minute average delay, 2.67% cancellation rate — and you have a concrete picture of departure reliability at Hancock/Houghton, MI.