Airline:Southwest Airlines REGN1804U ICAOa143a3 Historical flights WN744 , WN596 , WN3082 , WN138 , WN1604 , WN948 , WN1816 , WN2523 , WN2833 , WN1743 , WN2059 , WN2585 , WN665 , WN4010 , WN4034 , WN907 , WN933 , WN4335 , WN137 , WN3473
