Would likely be off the table ex-SYD/MEL at least. UA has the option of upgauging to the 77Ws from both ports.
BNE is another matter, indirectly tied to the HND slot which has a use or lose it basis by end of 2022, iirc.
BNE is another matter, indirectly tied to the HND slot which has a use or lose it basis by end of 2022, iirc.