Delta to eliminate loyalty program mileage expiration

Delta Air Lines 747. Photo: Courtesy, DL.   [Corrected version] Delta Air Lines on Tuesday announced that it has eliminated mileage expiration in its loyalty program. Previously, miles accrued in DL's SkyMiles program expired 24 months after a member's last qualifying mileage activity. DL said the change took effect for all customer accounts on Jan. 1. "Now that our massive frequent flyer program integration is complete, we are focused on smart ways to improve ...