Originally Posted by
avidflyer
When it is implemented next month it will give higher priority at the 5 day window and that is what folks are banking on: Getting the 5 day and avoiding the BF.
If Delta doesn't free up additional availability, then even Diamonds could be in for the BF on some flights. I'll be very happy to be proven wrong, but I have some flights booked that are V0 or X0 at ten days out. If that holds, noone will be upgraded at the 6 (or 5/3/1) day window.