The Consumer Postal Council champions world-class postal services by promoting programs and policies that increase productivity, transparency and eliminate distortions and inefficiencies caused by monopolies.

In December, amid a crush of packages and record numbers of coronavirus cases, service performance across the U.S. Postal Service network plummeted to the lowest levels in years, with only about 64 percent of first-class mail delivered on time around Christmas. The Postal Service was under scrutiny for months leading up...