Originally Posted by
FitTraveler
How will existing miles be converted into the new program?
WHAT HAPPENS TO MY EXISTING MILES?
Your existing miles are safe and are no different from the miles you will earn in 2015. In fact, going forward, your current miles will be even more valuable since you’ll be able to use them more easily with these new redemption options.
http://www.delta.com/content/www/en_...gram.html#faqs