Turns out there was never a Captain rostered for the duty in question. No pilots on standby. Only one pilot on a single day off who must have decided it was going to remain a day off.
Resource problem? Gosh thats a hard one, let me think about it for a bit.
Jennifer Timm: Jetstar Corporate Comms Adivisor stated on 3 news that it was due to pilot sickness.
Excuse me Miss Timm, will you now retract you're statement and tell the travelling public the truth.
Jetstar cancels flights after pilot calls in sick - Business - Video - 3 News