You'll run out of room fast!
Yeah I know, but some people have been getting timeframes which would be enormously useful!
It's completely dependent on your proximity to distribution, the driver's route, number of shipments that day etc.
People getting timeframes are probably in areas where multiple circuits are run per day (dense or commercial areas) or are located at the beginning of routes.
Check your tracking first thing Thursday AM and a time may be there, but I wouldn't expect a timeframe to pop up. If you have familiarity with your area's typical UPS delivery time, expect that.