Montgomery, AL

What the Data Says About MGM

Montgomery, AL in Montgomery, Alabama handled 30,016 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82.3% on-time departure rate. Of those flights, 5,316 experienced delays, 385 were cancelled, and 38 were diverted. The cancellation rate works out to 1.28%, the diversion rate to 0.13%, and the average delay when departures run late is 94.3 minutes. These figures are the baseline for comparing MGM against other airports in the same state and nationally.

Breaking down what drives delays at MGM, Carrier leads the pack. Carrier accounts for 42.5% of total delay minutes, followed by Late Aircraft at 33.9% and Weather at 12.1%. Weather contributes 12.1% 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, November runs the cleanest at MGM with a 93.8% on-time rate, while June is the roughest at 88.6% — a 5-point swing between best and worst month. Volume peaks in August, when average flights hit 460. The busiest route from MGM is to MGM (Montgomery), with 7,806 flights at a 85.9% on-time rate. Combine these numbers — 82.3% on-time, 94.3-minute average delay, 1.28% cancellation rate — and you have a concrete picture of departure reliability at Montgomery, AL.