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

Portland International Jetport ⇄ San Francisco International PWM–SFO

Airlines flew 10 flights between Portland International Jetport PWM in Portland, ME and San Francisco International SFO in San Francisco, CA in the twelve months to July 2026, both directions together: 1,453 passengers in 1,660 seats, 88% of them filled. 2,723 miles, about 356 minutes in the air, on 1 airline: United Air Lines Inc. (10). Planning to fly it yourself? The weather and winds along this route right now.

10
flights, twelve months
PWM-SFO: 5 · SFO-PWM: 5
1,453
passengers
88% of seats filled
2,723
miles
about 356 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

0246826/2687/26
By month, as a table
flights
6/262
7/268

Passengers by month

03026049051,2072466/261,2077/26
By month, as a table
passengers
6/26246
7/261,207

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA101,45388%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 800101661,453

PWM → SFO this direction alone · flown June 2026 to July 2026

5 flights of 5 scheduled, 666 passengers in 830 seats. United Air Lines Inc. 5.

SFO → PWM this direction alone · flown June 2026 to July 2026

5 flights of 5 scheduled, 787 passengers in 830 seats. United Air Lines Inc. 5.

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: Portland International Jetport PWM and San Francisco International SFO; all routes.