Originally Posted by
BER Flyer
So buying an AF light fare will allow you seat selection on DL operated flights as soon as ticketed but no access to their E+ seats before OLCI.
This is the OP’s entire issue - C+ seats were not made available to them during OLCI...
While I agree with the rest of your post, I don’t think there is an official published policy either allowing or prohibiting C+ upgrades for people with Medallion status on Light fares on AFKL marketed flight #s...