DL 1510 then DL 5201 at Atlanta
Miami → Atlanta → Baton Rouge
Timetable, Atlanta time
14:55DL 1510 from Miami at the gate
14:30DL 5201 to Baton Rouge leaves the gate
23 h 35 apart on the timetable, overnight
DL 5201 leaves 23 h 35 after DL 1510 arrives on the timetable: more than half a day, so not a connection we count.