Home / Routes / KISP → KPSM15 scheduled

The route from Long Island Mac Arthur Airport (KISP) in Islip to Portsmouth International at Pease Airport (KPSM) in Portsmouth. SkyMeter tracks roughly 15 scheduled flights on this route across 14 carriers. The most active operator is CNS (CNS). Average block time is 0h 44m. Departures average 21 minutes off schedule, with 33% running more than 15 minutes late. The most common aircraft on this route is the PIPER Piper Seminole.

Scheduled
15
last 374 days
ADS-B observed
15
Airlines
14
Avg dep delay
21m
Late >15 min
33.3%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-07-18 21:47  →  2026-07-18 22:32  ·  45m
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2026-07-17 17:55  →  2026-07-17 18:39  ·  44m
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2026-07-15 15:35  →  2026-07-15 16:38  ·  1h 2m
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2026-07-10 19:19  →  2026-07-10 20:09  ·  50m
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2026-07-09 21:45  →  2026-07-09 22:37  ·  52m
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2026-07-03 22:26  →  2026-07-03 23:45  ·  1h 18m
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2026-06-22 00:16  →  2026-06-22 01:44  ·  1h 28m
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2026-06-20 12:37  →  2026-06-20 13:44  ·  1h 6m
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2026-06-16 13:46  →  2026-06-16 14:35  ·  48m
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2026-06-04 15:53  →  2026-06-04 16:33  ·  39m
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View KPSM → KISP