QF12 was cancelled on Sun 7-Dec which OQC should have flown.
OQJ will likely operate QF12 Mon, and I suspect OQA/OQB (currently at SYD) will seemingly operate Tue QF11/12 (with the other on QF1/2)
Edit.
Correct prediction with OQB heading to LAX.
Unless they've still got a bunch of extra pax...