DL 2599 then DL 2860 at Atlanta
Madison → Atlanta → Savannah
Timetable, Atlanta time
22:59DL 2599 from Madison at the gate
22:51DL 2860 to Savannah leaves the gate
23 h 52 apart on the timetable, overnight
DL 2860 leaves 23 h 52 after DL 2599 arrives on the timetable: more than half a day, so not a connection we count.