 WILMINGTON, Ohio--BUSINESS WIRE--Air Transport Services Group, Inc. NASDAQ:ATSG today announced that it will host an investor conference call on Friday, February 26, 2021, at 10 a.m. Eastern Time to review its financial results for the fourth quarter and year ended December 31, 2020. The company will issue its fourth quarter 2020 earnings release on Thursday, February 25, 2021, after the stock market close. On the day of the conference call, participants should call 800 708-4540 internat 