Originally Posted by thehaloboy
Are you sure Dave? I could be wrong, but after all my research on this (the start of this thread) and talking with OW, I was told that the weight system applied to all itineraries, except those to/ from/ via USA, Canada, Mexico, Central America, Caribbean & South America.
Also, see
checkin baggage allowance
As long as any part of your itinerary touches those you mentioned above, the piece system applies. Even the in-between bits. ie HKG-TPE etc