The supplier knows that the package must be delive...

The supplier knows that the package must be delivered between Friday and Monday.
Link to the website of this logistics company with info.
Mon 08:35 On the go - loaded for delivery.
Mon 09:49 Not in delivery - company closed.
How do you manage customer expectations? Do you therefore get so many calls and these online reviews ?? Do I get my package today or not?
Very unclear all and the reviews here are alarming !!