Originally Posted by
mbaker0936
Talking to an agent last night, she claimed that if you are in a preferred seat and are upgraded to FC, that you have to call to change the seats still. Its an issue they are aware of, but she does not see it changing anytime soon.
I've never heard of this one, although if you've already done OLCI, you can't change your seat on delta.dumb (although I've heard a rumor that you can do this on the app).