 THOMASVILLE, N.C.--BUSINESS WIRE--- ODFL--Old Dominion Freight Line, Inc. NASDAQ: ODFL announced today that it plans to release its first quarter 2022 financial results before opening of trading on Wednesday, April 27, 2022. The Company will also hold a conference call to discuss its financial results and outlook at 10:00 a.m. Eastern Time on Wednesday, April 27, 2022. An online, real-time webcast of Old Dominions quarterly conference call will be available at on Wednesday, April 27 