AA 1055 then AA 5471 at DFW
Miami → Dallas-Fort Worth → Chattanooga
Timetable, Dallas-Fort Worth time
20:55AA 1055 from Miami at the gate
16:31AA 5471 to Chattanooga leaves the gate
19 h 36 apart on the timetable, overnight
AA 5471 leaves 19 h 36 after AA 1055 arrives on the timetable: more than half a day, so not a connection we count.