Home / Routes / KGAI → KPSM32 scheduled

The route from Montgomery County Airpark (KGAI) in Gaithersburg to Portsmouth International at Pease Airport (KPSM) in Portsmouth. SkyMeter tracks roughly 32 scheduled flights on this route across 7 carriers. The most active operator is CNS (CNS). Average block time is 1h 42m. Departures average 36 minutes off schedule, with 44% running more than 15 minutes late. The most common aircraft on this route is the PILATUS Pilatus PC-12.

Scheduled
32
last 309 days
ADS-B observed
7
Airlines
7
Avg dep delay
36m
Late >15 min
43.8%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-07-10 19:55  →  2026-07-10 22:31  ·  2h 36m
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2026-07-06 13:23  →  2026-07-06 14:37  ·  1h 14m
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2026-06-22 15:45  →  2026-06-22 17:28  ·  1h 43m
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2026-06-03 18:11  →  2026-06-03 20:06  ·  1h 55m
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2026-05-29 22:04  →  2026-05-29 23:14  ·  1h 9m
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2026-05-17 21:29  →  2026-05-17 23:11  ·  1h 42m
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2026-05-16 15:12  →  2026-05-16 16:51  ·  1h 38m
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2026-03-01 18:16  →  2026-03-01 19:50  ·  1h 34m
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2026-02-08 22:06  →  2026-02-08 23:56  ·  1h 49m
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2026-01-23 20:43  →  2026-01-23 22:07  ·  1h 24m
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