DL 3152 then DL 1892 at Atlanta
Richmond → Atlanta → Chattanooga
Timetable, Atlanta time
16:43DL 3152 from Richmond at the gate
14:30DL 1892 to Chattanooga leaves the gate
21 h 47 apart on the timetable, overnight
DL 1892 leaves 21 h 47 after DL 3152 arrives on the timetable: more than half a day, so not a connection we count.