Lexington, KY

What the Data Says About LEX

Lexington, KY in Lexington, Kentucky handled 91,507 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 83.6% on-time departure rate. Of those flights, 14,982 experienced delays, 985 were cancelled, and 101 were diverted. The cancellation rate works out to 1.08%, the diversion rate to 0.11%, and the average delay when departures run late is 82.3 minutes. These figures are the baseline for comparing LEX against other airports in the same state and nationally.

Breaking down what drives delays at LEX, Late Aircraft leads the pack. Late Aircraft accounts for 39.1% of total delay minutes, followed by Carrier at 37.3% and NAS (National Aviation System) at 16.9%. Weather contributes 6.5% of delay minutes at this airport, while security holds the smallest share at 0.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, November runs the cleanest at LEX with a 94.5% on-time rate, while June is the roughest at 89.6% — a 5-point swing between best and worst month. Volume peaks in July, when average flights hit 1,408. The busiest route from LEX is to LEX (Lexington), with 12,506 flights at a 87.3% on-time rate. Combine these numbers — 83.6% on-time, 82.3-minute average delay, 1.08% cancellation rate — and you have a concrete picture of departure reliability at Lexington, KY.