Ketchikan, AK

What the Data Says About KTN

Ketchikan, AK in Ketchikan, Alaska handled 27,238 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.3% on-time departure rate. Of those flights, 4,286 experienced delays, 303 were cancelled, and 46 were diverted. The cancellation rate works out to 1.11%, the diversion rate to 0.17%, and the average delay when departures run late is 64.0 minutes. These figures are the baseline for comparing KTN against other airports in the same state and nationally.

Breaking down what drives delays at KTN, Late Aircraft leads the pack. Late Aircraft accounts for 63.0% of total delay minutes, followed by Carrier at 19.1% and NAS (National Aviation System) at 12.4%. Weather contributes 4.4% of delay minutes at this airport, while security holds the smallest share at 1.1%. 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 KTN with a 95% on-time rate, while December is the roughest at 89.5% — a 6-point swing between best and worst month. Volume peaks in July, when average flights hit 495. The busiest route from KTN is to SEA (Seattle), with 7,683 flights at a 86% on-time rate. Combine these numbers — 84.3% on-time, 64.0-minute average delay, 1.11% cancellation rate — and you have a concrete picture of departure reliability at Ketchikan, AK.