Home / Routes / KISP → KPSM17 scheduled

The route from Long Island Mac Arthur Airport (KISP) in Islip to Portsmouth International at Pease Airport (KPSM) in Portsmouth. SkyMeter tracks roughly 17 scheduled flights on this route across 9 carriers. The most active operator is CNS (CNS). Average block time is 0h 44m. Departures average 23 minutes off schedule, with 35% running more than 15 minutes late. The most common aircraft on this route is the DASSAULT Dassault Falcon 900.

Scheduled
17
last 426 days
ADS-B observed
10
Airlines
9
Avg dep delay
23m
Late >15 min
35.3%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-10-14 13:06  →  2026-10-14 14:02  ·  56m
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2026-10-04 11:38  →  2026-10-04 12:18  ·  39m
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2026-09-17 11:44  →  2026-09-17 13:48  ·  2h 4m
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2026-09-13 21:50  →  2026-09-13 22:37  ·  46m
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2026-09-13 18:53  →  2026-09-13 20:24  ·  1h 30m
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2026-09-12 14:06  →  2026-09-12 14:42  ·  36m
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2026-08-12 16:08  →  2026-08-12 16:56  ·  47m
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2026-08-04 15:51  →  2026-08-04 19:41  ·  3h 50m
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2026-08-03 17:48  →  2026-08-03 18:30  ·  41m
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2026-07-30 20:38  →  2026-07-30 21:32  ·  54m
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View KPSM → KISP