flightaware.com/live/flight/N490QS
07-Aug-2011 GLF4/Q San Jose Int’l (KSJC) San Luis County Rgnl (KSBP) 10:36 PDT 15:06 PDT Scheduled
07-Aug-2011 GLF4/Q Los Angeles Intl (KLAX) John Wayne Arpt (KSNA) 09:42 PDT 09:54 PDT Scheduled
07-Aug-2011 GLF4/Q San Luis County Rgnl (KSBP) Los Angeles Intl (KLAX) 08:06 PDT 08:30 PDT Scheduled
As I thought would happen, all the flight plans were cancelled and the airplane departed SJC at 0630 although the SBP airport page has yet to pick up the flight.