Originally Posted by
jrzyshawn
I almost had the upgrade to BusinessFirst when I was rebooked into Y, but at the last minute the agent figured out that I paid for S and that if I wanted to upgrade it would cost 20K miles and $500. I said I will enjoy 21F instead.
Delta rebooked my parents into full Y and they only caught it when I called into use miles to upgrade them on the Y segment. It took the agent about 15 minutes but finally figured out they were on a T fare.