Home / Routes / KGAI → KISP9 scheduled

The route from Montgomery County Airpark (KGAI) in Gaithersburg to Long Island Mac Arthur Airport (KISP) in Islip. SkyMeter tracks roughly 9 scheduled flights on this route across 7 carriers. The most active operator is CNS (CNS). Average block time is 1h 1m. Departures average 26 minutes off schedule, with 33% running more than 15 minutes late. The most common aircraft on this route is the PILATUS Pilatus PC-12.

Scheduled
9
last 393 days
ADS-B observed
8
Airlines
7
Avg dep delay
26m
Late >15 min
33.3%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-08-24 18:39  →  2026-08-24 20:12  ·  1h 33m
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2026-08-21 16:17  →  2026-08-21 17:55  ·  1h 37m
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2026-07-23 19:10  →  2026-07-23 20:09  ·  59m
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2026-07-17 23:37  →  2026-07-18 01:02  ·  1h 25m
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2026-07-16 19:05  →  2026-07-16 20:19  ·  1h 14m
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2026-07-15 14:05  →  2026-07-15 17:16  ·  3h 10m
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2026-07-10 17:12  →  2026-07-10 18:29  ·  1h 16m
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2026-06-24 00:56  →  2026-06-24 01:59  ·  1h 2m
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2026-05-11 12:56  →  2026-05-11 14:01  ·  1h 5m
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2026-02-27 18:07  →  2026-02-27 19:00  ·  52m
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View KISP → KGAI