Amazon Logistics is a nightmare for me as a buyer - but that may not ge the experience if others.
Earlier times before 09:00 or 12:00 and Saturday delivery are also possible.
Here in Cornwall we usually get the same drivers delivering, and all, without exception are friendly, reliable and overworked.
When you call, make sure to have your parcel tracking number handy, as it will help them to identify which parcel you are having an issue with.
However, avoid putting budget before quality of service.
It has created an inaccessible value.