Cedar Rapids/Iowa City, IA

What the Data Says About CID

Cedar Rapids/Iowa City, IA in Cedar Rapids/Iowa City, Iowa handled 91,140 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82.2% on-time departure rate. Of those flights, 16,250 experienced delays, 1,229 were cancelled, and 99 were diverted. The cancellation rate works out to 1.35%, the diversion rate to 0.11%, and the average delay when departures run late is 87.7 minutes. These figures are the baseline for comparing CID against other airports in the same state and nationally.

Breaking down what drives delays at CID, Carrier leads the pack. Carrier accounts for 37.1% of total delay minutes, followed by Late Aircraft at 36.7% and NAS (National Aviation System) at 16.8%. Weather contributes 9.3% 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, September runs the cleanest at CID with a 93.6% on-time rate, while December is the roughest at 89.5% — a 4-point swing between best and worst month. Volume peaks in March, when average flights hit 1,404. The busiest route from CID is to CID (Cedar Rapids/Iowa City), with 10,759 flights at a 78.5% on-time rate. Combine these numbers — 82.2% on-time, 87.7-minute average delay, 1.35% cancellation rate — and you have a concrete picture of departure reliability at Cedar Rapids/Iowa City, IA.