Originally Posted by wobbly wings

As an EXP, do I get a free checked in bag on a TATL basic economy fare for an AA-operated service, but on a BA ticket?
Conversely, do I get a free checked in bag on a TATL basic economy fare for a BA-operated service, but on an AA ticket?
I believe that for AA-operated and marketed services the answer is yes and for BA-operated and marketed services the answer is no.