Originally Posted by
rylan
There already is... haven't you noticed that advance upgrades are much much much less available than they used to be on many routes? In particular, those routes that get a lot of last minute high bucket purchases and FCM have little to no advance upgrades.
To be truthful, I had not noticed but have not taken a DL flight since September 6th - and IIRC I was not upgraded 5 days out - so you could be correct.