AA 5510 then DL 2945 at Atlanta
Washington National → Atlanta → Appleton
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
20:59DL 2945 to Appleton leaves the gate
21 h 36 apart on the timetable, overnight
DL 2945 leaves 21 h 36 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.