Originally Posted by Traveloguy
It's not good or bad. It is just a simple bilateral agreement. Most OW members codeshare with non-OW carriers including carriers who are in other alliances.
QF codeshare for example with both NZ and AF!
You only get credit when you are on OW metal however so don't think you can get on the KE flight and get away with getting credit for a JL codeshare.
I thought you get credit on most flights with a oneworld flight number. I did not think it had to be oneworld metal.
The follow is form AA web site.
oneworld brings you a variety of exciting benefits:
The ability to earn and redeem miles on all oneworld flights worldwide 2
2 AAdvantage members cannot earn AAdvantage miles for travel on British Airways transatlantic flights between the U.K. and U.S.
I have been told if I fly a CX flight number opperated buy another airline I earn AA miles.