Delta has upgraded some SkyMiles members to Silver status for 6 months (targeted) thepointsguy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thepointsguy.com Daily Mail and Mail on Sunday newspapers.
Delta Air Lines and American Express on Thursday said they are hiking the annual fee on their joint Delta SkyMiles American Express card, while also offering…