DALLAS (CBSDFW.COM) – With only days until Christmas, the United States Postal Service is struggling to keep up with demand.

A spokesperson of the American Postal Workers Union (APWU) told CBS 11 News their on-time delivery score is sitting at 75%. That number would normally be in the 90s, which means that one in every four packages is running late.

“Your delays I would more or less title up to the pandemic,” said Jonathan Cage, the executive vice president of APWU Dallas.

He says there’s almost 19,000 postal workers in quarantine, which is up over 10,000 since Thanksgiving.

Nine hundred of those are postal service workers in the City of Dallas alone.

“The pandemic has played its part. And with the employees being out we had mail processing slow-downs, but it’s not like the mail disappeared. The mail still has to be processed. But then when you have more and more people ordering things, and more and more people shipping things…it’s almost like double the mail,” he said. More at CBS Dallas