DL 994 then DL 1892 at Atlanta
New York LaGuardia → Atlanta → Chattanooga
Timetable, Atlanta time
15:23DL 994 from New York LaGuardia at the gate
14:30DL 1892 to Chattanooga leaves the gate
23 h 07 apart on the timetable, overnight
DL 1892 leaves 23 h 07 after DL 994 arrives on the timetable: more than half a day, so not a connection we count.