Allentown/Bethlehem/Easton, PA

What the Data Says About ABE

Allentown/Bethlehem/Easton, PA in Allentown/Bethlehem/Easton, Pennsylvania handled 48,496 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 83.7% on-time departure rate. Of those flights, 7,896 experienced delays, 662 were cancelled, and 75 were diverted. The cancellation rate works out to 1.37%, the diversion rate to 0.15%, and the average delay when departures run late is 90.3 minutes. These figures are the baseline for comparing ABE against other airports in the same state and nationally.

Breaking down what drives delays at ABE, Carrier leads the pack. Carrier accounts for 45.4% of total delay minutes, followed by Late Aircraft at 29.1% and NAS (National Aviation System) at 15.9%. Weather contributes 8.8% of delay minutes at this airport, while security holds the smallest share at 0.8%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, November runs the cleanest at ABE with a 94.6% on-time rate, while July is the roughest at 90% — a 5-point swing between best and worst month. Volume peaks in July, when average flights hit 730. The busiest route from ABE is to CLT (Charlotte), with 6,086 flights at a 88.7% on-time rate. Combine these numbers — 83.7% on-time, 90.3-minute average delay, 1.37% cancellation rate — and you have a concrete picture of departure reliability at Allentown/Bethlehem/Easton, PA.