AA 3394 then AA 2695 at DFW
Harlingen → Dallas-Fort Worth → Chattanooga
Timetable, Dallas-Fort Worth time
12:29AA 3394 from Harlingen at the gate
12:20AA 2695 to Chattanooga leaves the gate
23 h 51 apart on the timetable, overnight
AA 2695 leaves 23 h 51 after AA 3394 arrives on the timetable: more than half a day, so not a connection we count.