It is great news that this service has finally been announced, there is one thing that worries me, however. Flights will be using T3 according to all the GDS systems and the CX website.
That terminal is just going to be heaving, and I do think that the experience could put people off. The only saving grace is the timings. Arriving at 0620 means it gets in before the 3 AA flights, and leaving at 1200 means it avoids the low cost scrums and the AA flights again.
As there is a 5h40 ground time, Im assuming the aircraft will be towed to a remote stand?