AA 5510 then DL 1860 at Atlanta
Washington National → Atlanta → Augusta
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
17:33DL 1860 to Augusta leaves the gate
18 h 10 apart on the timetable, overnight
DL 1860 leaves 18 h 10 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.