Not if you factor-in the pension funding garbage.
Job #1 for Republicans: Demonize the USPS and their unionized employees, thereby energizing Right Wing support and the belief that the Postal Service is mis-managed.
Job#2 for Republicans: Privatize the USPS, so private companies can jack-up the rates and cash-in.
Postal service is supposed to be subsidized so the average American has a means to send correspondence and packages at reasonable rates. Like many government services and functions, it shouldn't be required to be profitable.
How about the US military? Have they ever turned a profit.
Below me, Dano.