The four cities are: San Francisco, Monterey, Santa Barbara and Los Angeles.
"The company is getting ready to take off. For a recently raised subscription of $1,650 a month, travelers will be able to fly as much as they want among four California cities. Surf Air's CEO says it provides frequent commuters a corporate jet experience, but how will the model fare?"
http://www.npr.org/2013/06/03/188185...ee?ft=1&f=1001