Originally Posted by
NWIFlyer
As SQ operates Suites on the SIN-LHR route, presumably you book into R class which earns 160% with A3. Two trips @ 6701 miles per leg x 1.6 takes you immediately to *G, even without the 2k A3 sign-up bonus.
TG J class earns 200%, so 1866 miles x 2 = 3732.
I'm booked in F on the suites which I think is 150% with A3 - still enough it appears to get *G but as I usually travel in premium cabins anyway what use would this be? (I don't need extra luggage allowance)