Trenton, NJ

What the Data Says About TTN

Trenton, NJ in Trenton, New Jersey handled 21,106 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 75.4% on-time departure rate. Of those flights, 5,202 experienced delays, 417 were cancelled, and 31 were diverted. The cancellation rate works out to 1.98%, the diversion rate to 0.15%, and the average delay when departures run late is 81.3 minutes. These figures are the baseline for comparing TTN against other airports in the same state and nationally.

Breaking down what drives delays at TTN, Late Aircraft leads the pack. Late Aircraft accounts for 50.0% of total delay minutes, followed by NAS (National Aviation System) at 25.1% and Carrier at 22.5%. Weather contributes 2.4% 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 TTN with a 92.5% on-time rate, while June is the roughest at 86% — a 7-point swing between best and worst month. Volume peaks in March, when average flights hit 397. The busiest route from TTN is to MCO (Orlando), with 3,315 flights at a 75.2% on-time rate. Combine these numbers — 75.4% on-time, 81.3-minute average delay, 1.98% cancellation rate — and you have a concrete picture of departure reliability at Trenton, NJ.