Upgrade Clearance on intnl Trips with Domestic Legs?

[jayzeff]

Apologies if this has been answered elsewhere but I can't find it:
Are you less likely to clear a QF long-haul upgrade if the booking contains a short-haul leg?

Suppose you want to book SYD-LAX but SYD-MEL-LAX has the better timing. All other things being equal (status, fare class, etc), if SYD-MEL is J0, does that impede the clearance of MEL-LAX?

Many thanks for all your wisdom -- I get so much from lurking on this site.

 

[RichardMEL]

Oh no. Each leg is ssessed on its own merits. Other flights in the booking are not relevant.