Apparently as of very recently Delta will not allow silver elite members to pre-board, thus taking away one of the few advantages of being a lower class "elite" member on this non elite airline. Customer "service" does not exist; their website will not take emails filled out using their form, saying they are experiencing turbulence and one should try again "in a few minutes". Have tried for a week and the same message appears. They don't have a fax and don't want you to email them without using their form... read full review »