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 10 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
10
Airlines
10
Avg dep delay
36m
Late >15 min
43.8%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-08-31 13:15  →  2026-08-31 14:58  ·  1h 42m
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2026-08-30 20:39  →  2026-08-30 22:19  ·  1h 40m
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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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View KPSM → KGAI