UPS Mail Innovations
Packages sent by UPS Mail Innovations go through the following:
Arrive at the nearest UPS Mail Innovations facility (e.g. Urbancrest, OH for northern Pennsylvania) the same day as the pickup.
Arrive at the destination UPS Mail Innovations facility (e.g. Windsor, CT for Massachusetts) on day 3 (i.e. takes two days).
Arrive at the destination USPS sort facility (e.g. North Reading, MA for Greater Boston) on day 3 (i.e. takes about 10 hours)
Arrive at the local USPS office early morning (e.g. 6:32) on day 5 (i.e. takes 2 days).
Delivered to the recipient on day 5 (i.e. takes less than 8 hours.
It takes about 4 days ship a package from Pennsylvania to Massachusetts via UPS Mail Innovations. It is quite efficient.