Per InsideFlyer, Delta will unveil changes to its SkyMiles program tomorrow (Wednesday) as they switch to a revenue based program for earning and redeeming miles.

The changes, which take effect on January 1, 2015, are meant to more generously reward those customers who spend more with the airline while making it easier for all SkyMiles members to redeem miles.

Customers will now earn miles toward Award Travel based on their ticket price versus distance flown, and general SkyMiles members will earn five miles per U.S. dollar spent.

Medallion members will earn even more, with Diamond Medallion members earning the most at 11 miles per dollar spent. SkyMiles members with a Delta SkyMiles Credit Card will continue to earn additional miles on Delta when they use their card.

In response to consistent customer feedback, Delta will also make changes that will make it easier for customers to redeem their miles, including increasing Award Seat availability at the lowest price levels, introducing One-Way Awards at half the price of round-trip, launching new Miles + Cash Award options and significantly improving delta.com and reservations Award shopping tools.

The changes will not affect the way SkyMiles Medallion members earn their status, and none of their elite benefits are changing. Medallion qualification will still be based on distance flown.

Full details will be posted tomorrow and we will be sure to have a rundown of the new program.

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