AA 5510 then DL 3153 at Atlanta
Washington National → Atlanta → Indianapolis
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
21:50DL 3153 to Indianapolis leaves the gate
22 h 27 apart on the timetable, overnight
DL 3153 leaves 22 h 27 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.