Originally Posted by
Red_Rob
They do that now. The problem is that there is rarely inventory opened up, and you have to wait list.
I would be ok with charging the difference between purchased fare and W as the copay amount (if refunded if upgrade doesn't clear). As it is all my SWU (12/yr) are wasted as I refuse to play the W fare lottery.
Unless something has changed, the official policy is to charge the change fee AND the fare difference.