Originally Posted by
UA-NYC
Do we know if the same loophole (getting source mileage account status) applies to codeshare flights? I.e., CO ticket for UA metal. Booked UA/UA for my dad, but if it works on codeshares I'll refund and book him CO/UA instead
Doubt it. It's probably an issue in CO's systems only.
We've even seen CO posters complain that other *A carriers don't honor the free bags and such they're accustomed to when flying others on CO.