DL 1480 then DL 1892 at Atlanta
New York JFK → Atlanta → Chattanooga
Timetable, Atlanta time
16:34DL 1480 from New York JFK at the gate
14:30DL 1892 to Chattanooga leaves the gate
21 h 56 apart on the timetable, overnight
DL 1892 leaves 21 h 56 after DL 1480 arrives on the timetable: more than half a day, so not a connection we count.