ATSG - Air Transport Services Group Inc (ATSG) Q1 2021 Earnings Call Transcript May, 06 2021 07:30 PM Air Transport Services Group Inc Image source: The Motley Fool. Air Transport Services Group Inc (NASDAQ: ATSG) Q1 2021 Earnings Call May 6, 2021 , 10:00 a.m. ET Operator Continue reading For further details see: Air Transport Services Group Inc (ATSG) Q1 2021 Earnings Call Transcript