Originally Posted by
slippahs
You earn miles based on the operating partner, regardless of who is codesharing the flight.
That's not always the case. I flew CVG-CDG-OTP on an AF ticket, and the CDG-OTP flight was a codeshare AF flight operated by RO. I got the miles for it. I've done this itin several times and always got the miles. (It was, after all, an AF ticket.)