Idaho Falls, ID

What the Data Says About IDA

Idaho Falls, ID in Idaho Falls, Idaho handled 43,233 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.4% on-time departure rate. Of those flights, 6,744 experienced delays, 316 were cancelled, and 67 were diverted. The cancellation rate works out to 0.73%, the diversion rate to 0.15%, and the average delay when departures run late is 96.3 minutes. These figures are the baseline for comparing IDA against other airports in the same state and nationally.

Breaking down what drives delays at IDA, Carrier leads the pack. Carrier accounts for 52.8% of total delay minutes, followed by Late Aircraft at 23.0% and Weather at 12.8%. Weather contributes 12.8% 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, April runs the cleanest at IDA with a 94.3% on-time rate, while December is the roughest at 90.3% — a 4-point swing between best and worst month. Volume peaks in August, when average flights hit 707. The busiest route from IDA is to IDA (Idaho Falls), with 7,153 flights at a 89.6% on-time rate. Combine these numbers — 84.4% on-time, 96.3-minute average delay, 0.73% cancellation rate — and you have a concrete picture of departure reliability at Idaho Falls, ID.