Huntsville, AL

What the Data Says About HSV

Huntsville, AL in Huntsville, Alabama handled 91,787 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82.6% on-time departure rate. Of those flights, 15,949 experienced delays, 1,154 were cancelled, and 110 were diverted. The cancellation rate works out to 1.26%, the diversion rate to 0.12%, and the average delay when departures run late is 79.9 minutes. These figures are the baseline for comparing HSV against other airports in the same state and nationally.

Breaking down what drives delays at HSV, Carrier leads the pack. Carrier accounts for 40.1% of total delay minutes, followed by Late Aircraft at 37.4% and NAS (National Aviation System) at 13.6%. Weather contributes 8.7% of delay minutes at this airport, while security holds the smallest share at 0.1%. 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 HSV with a 93.4% on-time rate, while July is the roughest at 89.1% — a 4-point swing between best and worst month. Volume peaks in March, when average flights hit 1,378. The busiest route from HSV is to HSV (Huntsville), with 12,923 flights at a 88.2% on-time rate. Combine these numbers — 82.6% on-time, 79.9-minute average delay, 1.26% cancellation rate — and you have a concrete picture of departure reliability at Huntsville, AL.