New Haven, CT

What the Data Says About HVN

New Haven, CT in New Haven, Connecticut handled 1,204 flights in the Bureau of Transportation Statistics dataset between 2020 and 2021, posting a 92.9% on-time departure rate. Of those flights, 85 experienced delays, 41 were cancelled, and 0 were diverted. The cancellation rate works out to 3.41%, the diversion rate to 0.00%, and the average delay when departures run late is 96.4 minutes. These figures are the baseline for comparing HVN against other airports in the same state and nationally.

Breaking down what drives delays at HVN, Late Aircraft leads the pack. Late Aircraft accounts for 53.4% of total delay minutes, followed by Carrier at 37.8% and NAS (National Aviation System) at 8.8%. Weather contributes 0.0% 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, October runs the cleanest at HVN with a 100% on-time rate, while February is the roughest at 94.4% — a 6-point swing between best and worst month. Volume peaks in March, when average flights hit 89. Combine these numbers — 92.9% on-time, 96.4-minute average delay, 3.41% cancellation rate — and you have a concrete picture of departure reliability at New Haven, CT.