Not leaving out of yvr but I do the trip Canada - Australia 8 times per year
I have used air New Zealand, Qantas, United , air Canada and Qatar ( Mel doh ord yyc )
i can can not give one airline a 100% score nor have any earned a 0% score
i would rank them
air nz
united
qantas
air canada
qatar ( just too long )
but all have had shining moments and all have had failures, when you only do the trip once and it’s a failure that’s a tough day for any traveller, try it again on air NZ out of Houston or vancouver