This is for Amazon Prime Now deliveries, which let you choose a delivery slot. You choose a two-hour delivery slot between 6am and midnight for free, or you can

This is for Amazon Prime Now deliveries, which let you choose a delivery slot. You choose a two-hour delivery slot between 6am and midnight for free, or you can choose a 1 hour delivery slot, including within one hour from now, for a fee (at least those are the ranges in NYC).