epa08968010 (FILE) - A Southwest airlines worker stands by one of the CMF International CFM56-7B27E/F engines on a Boeing 737-800 that arrived from Nashville, Tennessee, USA, at a maintenance facility at Hartsfield-Jackson Atlanta International Airport in Atlanta, Georgia, USA, 28 January 2019 (reissued 27 January 2021). Southwest Airlines is due to release its 4th quarter 2020 results on 28 January 2021. EPA/TANNEN MAURY *** Local Caption *** 54942193