DL 215 then DL 1892 at Atlanta
Rome → Atlanta → Chattanooga
Timetable, Atlanta time
15:51DL 215 from Rome at the gate
14:30DL 1892 to Chattanooga leaves the gate
22 h 39 apart on the timetable, overnight
DL 1892 leaves 22 h 39 after DL 215 arrives on the timetable: more than half a day, so not a connection we count.