Originally Posted by
TyneTraveller
I presume the DUB-LHR that the OP is referring to was the final repositioning flight back to LHR. If not, I think everyone would like to know the trick to getting the rest of the itinerary protected

Am almost certain you're right in that presumption !
(Perhaps r00ty will be back to confirm 100%)
Meanwhile, must declare a personal interest in the OP's question. Do we believe there are no documented cases of FT-ers ever losing points/miles from sectors that
have been flown as a result of the very final sector of a booked itinerary all within the same PNR (ie excluding the positioning flights)
not being flown.....??