UPS gives delivery time slots for a variety of reasons. For example, they may want to ensure that a package is delivered before a certain time to avoid congestion in the system.
Additionally, they may want to ensure that a package is delivered before it expires. .
In general, UPS does give delivery time slots. However, there are a few exceptions.
For example, if a package is urgent and needs to be delivered right away, UPS may give the package an earlier delivery time slot. Additionally, if the package is oversized or contains hazardous materials, UPS may not give it a delivery time slot at all.
The takeaway from this article is that UPS generally gives delivery time slots. However, there are a few exceptions to this rule.