AA 5391 then AA 2753 at DFW
Lawton → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
07:19AA 5391 from Lawton at the gate
19:24AA 2753 to Valparaiso leaves the gate
12 h 05 apart on the timetable
AA 2753 leaves 12 h 05 after AA 5391 arrives on the timetable: more than half a day, so not a connection we count.