Delta Mileage Upgrades Now Available Online by Sam Helmy December 26, 2018 58 Delta has introduced a new option to upgrade existing reservations on its website. The upgrades can be purchased using cash or SkyMiles for any flight segment operated by Delta Airlines.
Delta Updates Earning with Korean Air and Use of Global Upgrade Certificates by Sam Helmy May 10, 2018 9 After finalizing its joint venture with Korean Air, Delta has published its new earning chart for Korean Air and a host of other benefits. Effective May 1, 2018, SkyMiles members flying with Korean Air are getting a significant upgrade in benefits.
