DL 2836 then DL 1507 at Atlanta
Miami → Atlanta → Tri-Cities
Timetable, Atlanta time
12:40DL 2836 from Miami at the gate
12:06DL 1507 to Tri-Cities leaves the gate
23 h 26 apart on the timetable, overnight
DL 1507 leaves 23 h 26 after DL 2836 arrives on the timetable: more than half a day, so not a connection we count.