Originally Posted by
BobTL
You can only upgrade a cash ticket with miles upon check in.
Or you will have to change your paid PE ticket to a paid J ticket, which will be expensive.
therefor , if you want to fly J, buy J.
Many thanks, I wasn't aware that was the case. Guess I have been lucky to be flying paid J so no need to upgrade in the last years. I wonder though why the hotline would not be able to tell me that, instead asking me to call again in a few weeks