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Portsmouth International At Pease Airport (PSM) had nonstop service to 3 destinations on 2 airlines in our September 23, 2026 departure snapshot. The busiest route was to Punta Gorda (PGD), and the largest operator here was Allegiant Air with nonstops to 2 destinations.
Route data as of September 23, 2026, based on a 2-day departures sample. Routes may have changed since this snapshot.
This schedule snapshot includes nonstop flights from PSM to 3 destinations. The snapshot shows about 0.9 flights per day across those routes. The busiest options start with Punta Gorda (PGD), Raleigh (RDU), Orlando (SFB).
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0 international routes in this schedule set
United States 3
2×/wk
Airbus A220 · Airbus A320 family · Boeing 737
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Portsmouth International At Pease Airport (PSM / KPSM) is located in Portsmouth, United States.
The IATA code is PSM. The ICAO code is KPSM.
The busiest scheduled route from PSM in our September 23, 2026 departure data was PSM to PGD (Punta Gorda), with 2×/wk.
Allegiant Air was the largest operator in our PSM schedule data, serving 2 destinations with 4×/wk.
This schedule snapshot includes 0 international routes and 3 domestic routes from PSM.
2 airlines operated at PSM in our September 23, 2026 snapshot. Top carriers include Allegiant Air, Breeze Airways.
This schedule snapshot includes direct flights from PSM to 3 destinations including Punta Gorda, Raleigh, Orlando.
View live arrivals and departures at PSM on FlightRadar24.
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