Cyber week sales surge hits on-time U.S. delivery rate for Amazon van drivers

(Reuters) - Amazon.com Inc van drivers' on-time delivery rate declined in the week of record Cyber Monday orders, as severe winter weather strained the U.S. shipping network, consulting firm ShipMatrix said on Wednesday. Amazon drivers had an on-time rate of 93.7% for the Cyber Monday week ended Dec. 7, down from 98.2% during the Thanksgiving week ended Nov. 30, according to ShipMatrix. This was the first year that the consultancy measured on-time deliveries for the world's No. 1 online..