Eugene, OR

What the Data Says About EUG

Eugene, OR in Eugene, Oregon handled 90,806 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.1% on-time departure rate. Of those flights, 14,475 experienced delays, 746 were cancelled, and 102 were diverted. The cancellation rate works out to 0.82%, the diversion rate to 0.11%, and the average delay when departures run late is 77.7 minutes. These figures are the baseline for comparing EUG against other airports in the same state and nationally.

Breaking down what drives delays at EUG, Carrier leads the pack. Carrier accounts for 46.7% of total delay minutes, followed by Late Aircraft at 32.8% and NAS (National Aviation System) at 13.4%. Weather contributes 7.0% 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, April runs the cleanest at EUG with a 94% on-time rate, while June is the roughest at 90.3% — a 4-point swing between best and worst month. Volume peaks in July, when average flights hit 1,368. The busiest route from EUG is to SEA (Seattle), with 11,740 flights at a 89.2% on-time rate. Combine these numbers — 84.1% on-time, 77.7-minute average delay, 0.82% cancellation rate — and you have a concrete picture of departure reliability at Eugene, OR.