The Postal Service Survived the Election. But It Was Crushed by Holiday Packages.

‘Worst I’ve Ever Seen’: The Postal Service’s on-time performance plummeted in December, after it delivered a record number of mail-in ballots.

source https://www.nytimes.com/interactive/2021/01/19/upshot/postal-service-survived-election-but-crushed-by-holidays.html