DL 67 then DL 1892 at Atlanta
Rome → Atlanta → Chattanooga
Timetable, Atlanta time
18:54DL 67 from Rome at the gate
14:30DL 1892 to Chattanooga leaves the gate
19 h 36 apart on the timetable, overnight
DL 1892 leaves 19 h 36 after DL 67 arrives on the timetable: more than half a day, so not a connection we count.