You have the Routing Sequence set to "Use Standard Time" = Y.  You need to change it to N both in the ROUTING and the WO Routing.

One example that comes to mind would be a paint line where several work orders that all need to be painted white are processed together and there is really no good way to identify how much time goes to each.  If Use Standard Time is set to Y then you simply enter the quantity complete and based on the standard, the time to process that many units is charged to the work order.