 In July 2008 , United States District Judge Karl Forester ruled Delta will not be held liable for the crash , because while Comair is a wholly owned subsidiary of the Atlanta @-@ based airline , Comair maintains its own management and policies , and employs its own pilots . In December of the following year , Forester granted a passenger family 's motion for " partial summary judgment " determining , as a matter of law , that Comair 's flight crew was negligent , and that this negligence was a substantial factor causing the crash of Flight 5191 . 
 In July 2008 , United States District Judge Karl Forester ruled Delta will not be held liable for the crash , because while Comair <a href='drop_aux' title='1'><mark>is</mark></a>a wholly owned subsidiary of the Atlanta @-@ based airline , Comair <a href='uninflect' title='2'><mark>maintains</mark></a> its own management and policies , and <a href='uninflect' title='3'><mark>employs</mark></a> its own pilots . In December of the following year , Forester granted a passenger family <a href='null_genetive' title='4'><mark>'s</mark></a>motion for " partial summary judgment " determining , as a matter of law , that Comair <a href='null_genetive' title='5'><mark>'s</mark></a>flight crew was negligent , and that this negligence was a substantial factor causing the crash of Flight 5191 . 
In July 2008 , United States District Judge Karl Forester ruled Delta gon not be held liable fa the crash , because while Comair a wholly owned subsidiary of the Atlanta @-@ based airline , Comair maintain its own management and policies , and employ its own pilots . In December of the following year , Forester granted a passenger family  motion ffa" partial summary judgment " determining , as a matter of law , that Comair  flight crew was negligent , and that this negligence was a substantial factor causing the crash of Flight 5191 .