Originally Posted by
kaka
so i should feel glad since i'm dealing with S7 not BA which should be more common?
BA mainline is fine. BA CityFlyer (certain 4-digit BA codes) normally has this issue. Any 4 digit number is treated as codeshare and CX system screws up with this and manual mileage credit required.
It's annoying enough that I've stopped flying out of LCY to Europe and now just use LHR instead.