Would appreciate any help on checking loads US-SYD on 19 MAR

Looking at two routings: LAX-SYD (QF12 or QF108 or DL17 UA839) and
DFW-SYD (QF8)

and return on 03APR
BNE-LAX (QF15 or QF505/107 or QF605/93).

For you veterans travelling over, would these be the best routes?

Thanks! (Based in DFW)