DL 1500 then DL 2860 at Atlanta
Cleveland → Atlanta → Savannah
Timetable, Atlanta time
10:00DL 1500 from Cleveland at the gate
22:51DL 2860 to Savannah leaves the gate
12 h 51 apart on the timetable
DL 2860 leaves 12 h 51 after DL 1500 arrives on the timetable: more than half a day, so not a connection we count.