Originally Posted by boazs

There's also www.MileCalc.com, which supports Delta's booking class bonuses & elite level bonuses.

Also, MileCalc's distance calculations are done using the precise "great circle distance", used by most North American FFPs.

Click here http://www.milecalc.com/schmutzig/?p...FK-ATL-CVG-JFK and then play with the options: Select "Delta SkyMiles", and then select the booking class and elite level.