DL 2599 then DL 3029 at Atlanta
Madison → Atlanta → Columbia
Timetable, Atlanta time
22:59DL 2599 from Madison at the gate
22:50DL 3029 to Columbia leaves the gate
23 h 51 apart on the timetable, overnight
DL 3029 leaves 23 h 51 after DL 2599 arrives on the timetable: more than half a day, so not a connection we count.