DL 2973 then DL 1892 at Atlanta
White Plains → Atlanta → Chattanooga
Timetable, Atlanta time
15:24DL 2973 from White Plains at the gate
14:30DL 1892 to Chattanooga leaves the gate
23 h 06 apart on the timetable, overnight
DL 1892 leaves 23 h 06 after DL 2973 arrives on the timetable: more than half a day, so not a connection we count.