DL 1983 then DL 1892 at Atlanta
Detroit → Atlanta → Chattanooga
Timetable, Atlanta time
16:50DL 1983 from Detroit at the gate
14:30DL 1892 to Chattanooga leaves the gate
21 h 40 apart on the timetable, overnight
DL 1892 leaves 21 h 40 after DL 1983 arrives on the timetable: more than half a day, so not a connection we count.