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 9 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
9
Airlines
9
Avg dep delay
36m
Late >15 min
43.8%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-08-09 18:17  →  2026-08-09 20:23  ·  2h 5m
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2026-08-06 18:56  →  2026-08-06 20:38  ·  1h 41m
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2026-07-29 14:36  →  2026-07-29 17:08  ·  2h 31m
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2026-07-27 16:22  →  2026-07-27 18:07  ·  1h 44m
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2026-07-22 19:43  →  2026-07-22 20:49  ·  1h 6m
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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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View KPSM → KGAI