DL 969 then DL 1892 at Atlanta
New York LaGuardia → Atlanta → Chattanooga
Timetable, Atlanta time
18:39DL 969 from New York LaGuardia at the gate
14:30DL 1892 to Chattanooga leaves the gate
19 h 51 apart on the timetable, overnight
DL 1892 leaves 19 h 51 after DL 969 arrives on the timetable: more than half a day, so not a connection we count.