The newest Delta Diamond Devaluation regarding no more transcontinental upgrades goes into effect tomorrow, August 1st, meaning if you’re a Diamond Medallion, today is your last today to get a complimentary upgrade between JFK-LAX/SFO. Delta Removing Diamond Medallion Upgrades on Transcon Routes With this transcontinental upgrade change, Delta now allows both Platinum and Diamond Medallions to redeem Regional Upgrade… The post Newest Delta Diamond Devaluation – No Transcon Upgrades appeared first on Points Miles & Martinis. Continue reading...