DL 3157 then DL 1892 at Atlanta
New Orleans → Atlanta → Chattanooga
Timetable, Atlanta time
18:14DL 3157 from New Orleans at the gate
14:30DL 1892 to Chattanooga leaves the gate
20 h 16 apart on the timetable, overnight
DL 1892 leaves 20 h 16 after DL 3157 arrives on the timetable: more than half a day, so not a connection we count.