Elmira/Corning, NY

What the Data Says About ELM

Elmira/Corning, NY in Elmira/Corning, New York handled 13,181 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.5% on-time departure rate. Of those flights, 2,041 experienced delays, 148 were cancelled, and 6 were diverted. The cancellation rate works out to 1.12%, the diversion rate to 0.05%, and the average delay when departures run late is 94.3 minutes. These figures are the baseline for comparing ELM against other airports in the same state and nationally.

Breaking down what drives delays at ELM, Carrier leads the pack. Carrier accounts for 53.2% of total delay minutes, followed by Late Aircraft at 20.1% and Weather at 16.6%. Weather contributes 16.6% 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, September runs the cleanest at ELM with a 94.7% on-time rate, while December is the roughest at 89.9% — a 5-point swing between best and worst month. Volume peaks in March, when average flights hit 225. The busiest route from ELM is to ELM (Elmira/Corning), with 4,715 flights at a 83.9% on-time rate. Combine these numbers — 84.5% on-time, 94.3-minute average delay, 1.12% cancellation rate — and you have a concrete picture of departure reliability at Elmira/Corning, NY.