UA 356 then DL 1860 at Atlanta
Chicago O'Hare → Atlanta → Augusta
Timetable, Atlanta time
17:38UA 356 from Chicago O'Hare at the gate
17:33DL 1860 to Augusta leaves the gate
23 h 55 apart on the timetable, overnight
DL 1860 leaves 23 h 55 after UA 356 arrives on the timetable: more than half a day, so not a connection we count.