In the past, the final leg of these deliveries was made by the U.S. Postal Service; now, they will be handled by UPS after the Jan. 1 contract expiration. “Millions of packages moved away from SurePost and the United States Postal Service and returned to UPS package cars this month,

A few delivery services might be the blame. According to a report, an expire contract agreement between UPS and the US Postal Service has delayed millions of packages across the country.