Garden City, KS

What the Data Says About GCK

Garden City, KS in Garden City, Kansas handled 8,568 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.8% on-time departure rate. Of those flights, 1,300 experienced delays, 126 were cancelled, and 10 were diverted. The cancellation rate works out to 1.47%, the diversion rate to 0.12%, and the average delay when departures run late is 88.6 minutes. These figures are the baseline for comparing GCK against other airports in the same state and nationally.

Breaking down what drives delays at GCK, Carrier leads the pack. Carrier accounts for 36.1% of total delay minutes, followed by Late Aircraft at 30.2% and Weather at 21.5%. Weather contributes 21.5% of delay minutes at this airport, while security holds the smallest share at 0.0%. 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 GCK with a 95.7% on-time rate, while December is the roughest at 90.5% — a 5-point swing between best and worst month. Volume peaks in August, when average flights hit 124. The busiest route from GCK is to GCK (Garden City), with 4,285 flights at a 83.8% on-time rate. Combine these numbers — 84.8% on-time, 88.6-minute average delay, 1.47% cancellation rate — and you have a concrete picture of departure reliability at Garden City, KS.