Originally Posted by
cova
I suspect that most users of the change fee are those that buy the later, cheaper fare but plan to travel on an earlier flight. The $25 change fee was less than buying the earlier flight. The $50 probably helps to neutralize the cost savings from buying a more off peak flight.
Not sure about this. Have used the $25 on both DL and NW. It usually has nothing to do with fares at time of purchase and more to do with change of plans on trip. Usually tickets are pruchased based on price/times of flights. Plans however can change..