Originally Posted by
jaguarpig
I have a BA first 241 reward flight to HKG connecting onto CX to BKK.The CX ticket is D class(ticket booked direct with CX on a different PNR) outbound connection time is just over 2 hours on the way home about 4 hours.what happens if it goes pear shaped

depends on the staff and your fare rules. When booking separate tickets you are not connecting, you have 2 separate and unrelated bookings. If something goes wrong and you have little flexibility on your booking, you can end up having to buy new tickets
Its a risk of booking separately , rather than having a genuine connection
Dave