Originally Posted by cityroamer
By the way, is it possible switch mileage collection 'on the way'? E.g. QF or BA miles SYD to SGP and FD miles SGP to Paris?
Probably not if your ticket says that it's an AF-coded flight. You'd have to get the QF segment showing as a QF-coded flight, in which case you'd be able to earn miles on all QF, BA and rest of oneworld. However, I don't know if you can book the flight (cheaply) this way.