Kalispell, MT

What the Data Says About FCA

Kalispell, MT in Kalispell, Montana handled 50,123 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.4% on-time departure rate. Of those flights, 7,819 experienced delays, 302 were cancelled, and 78 were diverted. The cancellation rate works out to 0.60%, the diversion rate to 0.16%, and the average delay when departures run late is 82.4 minutes. These figures are the baseline for comparing FCA against other airports in the same state and nationally.

Breaking down what drives delays at FCA, Carrier leads the pack. Carrier accounts for 40.2% of total delay minutes, followed by Late Aircraft at 31.3% and NAS (National Aviation System) at 17.8%. Weather contributes 10.7% 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 FCA with a 96.1% on-time rate, while December is the roughest at 88.8% — a 7-point swing between best and worst month. Volume peaks in July, when average flights hit 1,202. The busiest route from FCA is to FCA (Kalispell), with 6,991 flights at a 88.9% on-time rate. Combine these numbers — 84.4% on-time, 82.4-minute average delay, 0.60% cancellation rate — and you have a concrete picture of departure reliability at Kalispell, MT.