US Air restores 500 mile minimums, elite bonuses; finally!
US has made the right decision to return 500 mile minimums and elite bonus miles for elites. It is also retroactive!
I like it when firms can admit when they make stupid mistakes. 
Preferred program changes
Effective November 20, 2008, we’re bringing back Preferred bonus miles and 500 mile segment minimums for Preferred members. We’ll also be awarding retroactive Preferred bonus miles and segment minimums for Preferred member flight activity. Retroactive mileage credit will be reflected in the December 2008 e-Statement.
Some blog coverage:
