Originally Posted by
NWIFlyer
I think you may have misinterpreted this somewhat. I imagine the OP may be interested in these being BA codes because it would be an easier route for many to obtain the 2/4/4 flights for Bronze/Silver/Gold status if correct, given under all other known circumstances an associated TATL is needed.
Absolutely nothing to do with hidden city ticketing or even cost.
OP advised that he was looking through Skiplagged for this. Only one reason for that. But, perhaps OP could clarify.