Originally Posted by
milypan
In the case of S (example above) it only earns 50% on AA/BA metal and 25% on CX metal...
Yep. CX is known in Oneworld as a low earner to many ffp's. So often the same in other direction
https://www.wheretocredit.com/cathay-pacific-airways/s
Not all airlines are the same. Looking for codeshares can give better earning at times
.