DL 1820 then DL 1892 at Atlanta
Liberia → Atlanta → Chattanooga
Timetable, Atlanta time
19:00DL 1820 from Liberia at the gate
14:30DL 1892 to Chattanooga leaves the gate
19 h 30 apart on the timetable, overnight
DL 1892 leaves 19 h 30 after DL 1820 arrives on the timetable: more than half a day, so not a connection we count.