I wrote a brief summary comparing QF, DL and VA on the prime SYD-LAX route:
SYD-LAX - QF vs DL vs VA - FlyerTalk Forums
SYD-LAX - QF vs DL vs VA - FlyerTalk Forums
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I wrote a brief summary comparing QF, DL and VA on the prime SYD-LAX route:
SYD-LAX - QF vs DL vs VA - FlyerTalk Forums