Bethel, AK

What the Data Says About BET

Bethel, AK in Bethel, Alaska handled 8,174 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 78.3% on-time departure rate. Of those flights, 1,775 experienced delays, 104 were cancelled, and 1 were diverted. The cancellation rate works out to 1.27%, the diversion rate to 0.01%, and the average delay when departures run late is 53.5 minutes. These figures are the baseline for comparing BET against other airports in the same state and nationally.

Breaking down what drives delays at BET, Late Aircraft leads the pack. Late Aircraft accounts for 48.9% of total delay minutes, followed by Security at 24.1% and NAS (National Aviation System) at 14.4%. Weather contributes 2.6% of delay minutes at this airport, while security holds the smallest share at 24.1%. 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 BET with a 89.1% on-time rate, while December is the roughest at 78.8% — a 10-point swing between best and worst month. Volume peaks in March, when average flights hit 126. The busiest route from BET is to BET (Bethel), with 4,045 flights at a 83.4% on-time rate. Combine these numbers — 78.3% on-time, 53.5-minute average delay, 1.27% cancellation rate — and you have a concrete picture of departure reliability at Bethel, AK.