The airline was based in San Rafael in Marin County north of the city of San Francisco and also had administrative offices located in Santa Rosa, CA at one point.
Stol Air Commuter operated scheduled passenger air service connecting several cities in the San Francisco Bay Area as well as northern California with San Francisco International Airport (SFO).
According to the airline's system timetable, in the spring of 1975 Stol Air Commuter was operating 66 daily flights serving SFO via United Airlines gate 10 at the airport.
[1] In 1979 (46 years ago) (1979), Stol Air changed its name to WestAir Commuter Airlines.
[3] Destination information is taken from the Stol Air Commuter June 1, 1978 system timetable.