Wouldn't make any difference on a route with high levels of FIFO.
So TW-BNE is a FIFO route? Since when...?
The B1900's and Metros that flew that route hardly carried a load. Why would a jet carry more. TW is not a natural link to BNE. The few biz travellers go via SYD on QF..painful but a bit quicker than driving which many people do.
SYD-GLT is a FIFO route - for whom? It has been coming for some time but the 'punters' aren't buying it seems...again QF FF points win..