Originally Posted by
CO Insider
That's right mnmag. If the Platinum or Gold Elite cardmember is traveling on a reward redeemed from their own account, they can request a companion upgrade for someone else traveling on a revenue ticket or a reward ticket redeemed from their account. In all other cases, the Platinum/Gold Elite companion benefit only applies to revenue tickets. Meaning, Elite cardmembers on reward tickets can't be added as someone else's Platinum or Gold companion.
Thanks for the clarification, Scott! It makes sense now!^