We were *A and we didn’t give up our flights to other carriers. But we did codeshare.
It wasn’t a testament to your, AFA-CWA or USAPA “iron clad” language it was because the low fare fodder USAIR network from CLT and PHL would be more of a hindrance than a help to both parties. DL/KL/AF/AZ JV is profit sharing, AA/BA/IB/AY and UA/AC/LH are revenue sharing arrangements.
Josh