Try this (assuming Date is in epoch format OR using _time field).
your current search giving fields DateField HostField PathFIeld
| sort 2 -DateField
If Date is not in epoch format (or not using _time), convert to epoch and do sort
your current search giving fields DateField HostField PathFIeld | eval sortfield=strptime(DateField,"<<DateFormatHere>>")
| sort 2 -sortfield