Originally Posted by SamuelS

DL used to be pretty flexible on sked changes but now they seem to be tightening up and I was told absolutely no waiver of change fees (I have a P class fare so there is a change fee) unless the sked change is 91 minutes or more.

Not sure if I just got unlucky with the two agents I spoke to but both said absolutely no ability to change flights with repricing and paying change fees unless sked change is 91+ minutes.