DL 4993 then DL 1892 at Atlanta
Valdosta → Atlanta → Chattanooga
Timetable, Atlanta time
20:23DL 4993 from Valdosta at the gate
14:30DL 1892 to Chattanooga leaves the gate
18 h 07 apart on the timetable, overnight
DL 1892 leaves 18 h 07 after DL 4993 arrives on the timetable: more than half a day, so not a connection we count.