AA 1679 then DL 961 at DFW
Miami → Dallas-Fort Worth → Atlanta
Timetable, Dallas-Fort Worth time
23:59AA 1679 from Miami at the gate
12:23DL 961 to Atlanta leaves the gate
12 h 24 apart on the timetable, overnight
DL 961 leaves 12 h 24 after AA 1679 arrives on the timetable: more than half a day, so not a connection we count.