Originally Posted by
RobertS975
The loss of a DM customer means that you either have to capture a high value customer from another carrier or find as many as ten new infrequent fliers to replace the lost DM.
And although I have no data, I suspect that many DMs buy premium fares for themselves and their spouses.
I do. I go out of my way to do so on Delta to help keep my DM status. If I can not keep it then the cheapest 1st class on any airline will win (well, other than United cuz... well... it's United)! ;-)