Kahului, HI

What the Data Says About OGG

Kahului, HI in Kahului, Hawaii handled 304,696 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.7% on-time departure rate. Of those flights, 46,552 experienced delays, 2,194 were cancelled, and 229 were diverted. The cancellation rate works out to 0.72%, the diversion rate to 0.08%, and the average delay when departures run late is 61.1 minutes. These figures are the baseline for comparing OGG against other airports in the same state and nationally.

Breaking down what drives delays at OGG, Late Aircraft leads the pack. Late Aircraft accounts for 46.1% of total delay minutes, followed by Carrier at 41.5% and NAS (National Aviation System) at 9.6%. Weather contributes 2.5% of delay minutes at this airport, while security holds the smallest share at 0.3%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, September runs the cleanest at OGG with a 95.6% on-time rate, while December is the roughest at 90.3% — a 5-point swing between best and worst month. Volume peaks in March, when average flights hit 4,700. The busiest route from OGG is to OGG (Kahului), with 60,102 flights at a 86.7% on-time rate. Combine these numbers — 84.7% on-time, 61.1-minute average delay, 0.72% cancellation rate — and you have a concrete picture of departure reliability at Kahului, HI.