· upgrade offers will be for $300 to $ 800 and targeted at customers with skymiles medallion status. · delta air lines is cooking up what may be one of the most appealing flight upgrades yet: The new upgrade program, targeted at what delta calls “high-value customers,” will cost $300 to $ 800 , depending on destination. · delta air lines will begin offering private jet upgrades to medallions on select routes. This is a collaboration between delta, delta vacations and delta private jets as an appreciation towards delta customers for their loyalty. The upgrade , like one to the first class, will range between $300 to $ 800 per seat. This includes silver medallion members, who must earn a minimum of 25,000 medallion qualifying miles and spend $3,000 medallion qualifying dollars in a calendar year. · when it comes to flying, big spenders get the best treatment. Within the next two weeks, delta air lines will start offering travelers in its medallion mileage program the ultimate upgrade : · delta skymiles medallion members can get an upgrade to a private jet. One that allows you to bag a commercial flight altogether and board a private jet. · with their fleet of 66 private aircraft at the time, they were going to monetize down time and re-positioning flights with last minute upsell offers to fly private for $300 – $ 800. · the program will offer private jet upgrades for between $300 to $ 800 on planes in the delta private jets fleet that are not otherwise in use, bloomberg said.