Originally Posted by
Adelphos
It is true that the lack of rollover MQM is a big change, and a disincentive for credit card spend. But Delta was the only airline with any kind of rollover for years; AA and United seemed to have survived fine without a carrot that encouraged people to spend or fly beyond when they hit any individual threshold.
Flying Blue still does rollover elite credit (though a few weeks after DL's announcement, they announced a limit to rollover a year in advance).
I think the current MQD thresholds will stay for a while. I would expect, though, that not every non-Basic fare will earn 100% MQD (some might earn more, many will earn less).