AA 4066 then AA 5068 at DFW
Texarkana → Dallas-Fort Worth → Chattanooga
Timetable, Dallas-Fort Worth time
16:07AA 4066 from Texarkana at the gate
15:36AA 5068 to Chattanooga leaves the gate
23 h 29 apart on the timetable, overnight
AA 5068 leaves 23 h 29 after AA 4066 arrives on the timetable: more than half a day, so not a connection we count.