AA 4697 then DL 4644 at Atlanta
Washington National → Atlanta → Moline
Timetable, Atlanta time
10:17AA 4697 from Washington National at the gate
09:12DL 4644 to Moline leaves the gate
22 h 55 apart on the timetable, overnight
DL 4644 leaves 22 h 55 after AA 4697 arrives on the timetable: more than half a day, so not a connection we count.