Newark, NJ

What the Data Says About EWR

Newark, NJ in Newark, New Jersey handled 1,354,054 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 78.1% on-time departure rate. Of those flights, 296,448 experienced delays, 23,201 were cancelled, and 1,631 were diverted. The cancellation rate works out to 1.71%, the diversion rate to 0.12%, and the average delay when departures run late is 80.5 minutes. These figures are the baseline for comparing EWR against other airports in the same state and nationally.

Breaking down what drives delays at EWR, Late Aircraft leads the pack. Late Aircraft accounts for 39.1% of total delay minutes, followed by Carrier at 32.7% and NAS (National Aviation System) at 23.2%. Weather contributes 4.8% 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, October runs the cleanest at EWR with a 92% on-time rate, while July is the roughest at 85.3% — a 7-point swing between best and worst month. Volume peaks in March, when average flights hit 20,874. The busiest route from EWR is to EWR (Newark), with 37,501 flights at a 73.8% on-time rate. Combine these numbers — 78.1% on-time, 80.5-minute average delay, 1.71% cancellation rate — and you have a concrete picture of departure reliability at Newark, NJ.