The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

St. Pete-Clearwater International ⇄ Portsmouth International AT Pease PIE–PSM

Airlines flew 86 flights between St. Pete-Clearwater International PIE in St Petersburg-Clearwater, FL and Portsmouth International AT Pease PSM in Portsmouth, NH in the twelve months to July 2026, both directions together: 13,031 passengers in 15,814 seats, 82% of them filled. 1,239 miles, about 159 minutes in the air, on 1 airline: Allegiant Air (86). Planning to fly it yourself? The weather and winds along this route right now.

86
flights, twelve months
PIE-PSM: 43 · PSM-PIE: 43
13,031
passengers
82% of seats filled
1,239
miles
about 159 minutes airborne
1
airline
4 aircraft types

Flights by month both directions

071421284/257/255/26187/26
By month, as a table
flights
4/2528
5/258
6/2512
7/2518
8/2518
4/2612
5/2622
6/2616
7/2618

Passengers by month

08841,7682,6523,5364/257/255/263,1487/26
By month, as a table
passengers
4/253,536
5/25815
6/251,527
7/252,439
8/252,331
4/261,861
5/263,204
6/262,487
7/263,148

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Allegiant Air G48613,03182%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 800301905,025
Airbus Industrie A320-100/200261803,926
Boeing 737 Max 8-200221903,017
Airbus Industrie A31981561,063

PIE → PSM this direction alone · flown April 2025 to July 2026

43 flights of 43 scheduled, 6,741 passengers in 7,907 seats. Allegiant Air 43.

PSM → PIE this direction alone · flown April 2025 to July 2026

43 flights of 43 scheduled, 6,290 passengers in 7,907 seats. Allegiant Air 43.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: St. Pete-Clearwater International PIE and Portsmouth International AT Pease PSM; all routes.