Killeen, TX

What the Data Says About GRK

Killeen, TX in Killeen, Texas handled 24,729 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 83.6% on-time departure rate. Of those flights, 4,054 experienced delays, 469 were cancelled, and 12 were diverted. The cancellation rate works out to 1.90%, the diversion rate to 0.05%, and the average delay when departures run late is 76.8 minutes. These figures are the baseline for comparing GRK against other airports in the same state and nationally.

Breaking down what drives delays at GRK, Late Aircraft leads the pack. Late Aircraft accounts for 38.2% of total delay minutes, followed by Carrier at 29.7% and NAS (National Aviation System) at 16.4%. Weather contributes 15.5% 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, February runs the cleanest at GRK with a 93.8% on-time rate, while June is the roughest at 88.3% — a 6-point swing between best and worst month. Volume peaks in October, when average flights hit 373. The busiest route from GRK is to GRK (Killeen), with 11,428 flights at a 82.4% on-time rate. Combine these numbers — 83.6% on-time, 76.8-minute average delay, 1.90% cancellation rate — and you have a concrete picture of departure reliability at Killeen, TX.