Cathay Pacific Asia Miles - New Economy Seats

Thinking about a trip from LHR to HKG at the end of the year.

I am wondering if CX will have introduced the new economy product out of LHR by Dec/Jan?

Cheers
FormMed3

It is already out on select flights, i.e. those flown by B-HOT.

Is there any way of telling whether or not the new seats are on the flight booked?