I also run a mail order business with "statistically significant" order quantity sent USPS. I've been tracking delivery times. For several weeks around July 4 m

I also run a mail order business with "statistically significant" order quantity sent USPS. I've been tracking delivery times. For several weeks around July 4 more than 10% of packages were seeing >2 week delivery times. However it has since returned to normal. I expect delivery times will go sideways again in Q4.