Alaska has gone insane in managing Virgin's first class booking code inventory. Alaska seems perfectly fine in not getting any advance purchase first class ticket sales.

From Nov 16 to Nov 28, every Virgin America flight systemwide is J7 C0 D0.

From Dec 16 to Jan 15, every Virgin America flight systemwide is J7 C0 D0.

From Aug 3 to end of schedule, every LAX-OGG flight is J7 C1 D0.