Originally Posted by
Romelle
I was far too caught up in a traveling job to really understand or play the game, but did notice a thing with Delta. If I was fortunate enough to get an upgrade, I then got the miles associated with the upgrade fare class.
And that made my miles grow even faster.
Delta has long since corrected that loophole.
DL actually has a loophole that's sorta similar to this that's still functional, although I'm not going to say anymore...