DL 2599 then DL 1892 at Atlanta
Madison → Atlanta → Chattanooga
Timetable, Atlanta time
22:59DL 2599 from Madison at the gate
14:30DL 1892 to Chattanooga leaves the gate
15 h 31 apart on the timetable, overnight
DL 1892 leaves 15 h 31 after DL 2599 arrives on the timetable: more than half a day, so not a connection we count.