SIX - Six Flags Entertainment Corp (SIX) Q1 2021 Earnings Call Transcript April, 28 2021 12:00 PM Six Flags Entertainment Corporation Image source: The Motley Fool. Six Flags Entertainment Corp (NYSE: SIX) Q1 2021 Earnings Call Apr 28, 2021 , 8:00 a.m. ET Operator Continue reading For further details see: Six Flags Entertainment Corp (SIX) Q1 2021 Earnings Call Transcript