 THOMASVILLE, N.C.-- BUSINESS WIRE --Old Dominion Freight Line, Inc. Nasdaq: ODFL announced today that it plans to release its fourth quarter and year-end 2022 financial results before opening of trading on Wednesday, February 1, 2023. The Company will also hold a conference call to discuss its financial results and outlook at 10:00 a.m. Eastern Time on Wednesday, February 1, 2023. 