Saia, Inc. provided LTL shipment and tonnage data for the second quarter ended June 30, 2021. For the quarter, LTL shipments per workday increased 15.3% to 2,012,000 against 1,745,000 a year ago. LTL tonnage per workday increased 23.1% to 1,406,000 against 1,142,000 a year ago.