Originally Posted by
HoustonConsultant
20 minutes after getting off the phone and changing it X, I got an upgrade on the return flight Saturday.
So, either the super agent pulled all the strings she could pull or the change to the X fare got me automatically upgraded.
This was also my experience changing to an X booking class. The system would automatically upgrade me. I wish that CO would have their IT staff fix this known bug with the XN booking class.