LATEST 12-MONTH WINDOW
ISP averages 77% full
Islip (ISP) routes averaged 77% full across 1.6M passengers in the latest 12-month BTS window.
Load factor
77%
Passengers
1.6M
Routes
73
How full flights are at Islip, using the latest 12 months of DOT T-100 data ending Mar 2026.
Islip (ISP) routes averaged 77% full across 1.6M passengers in the latest 12-month BTS window.