AA 5510 then DL 1880 at Atlanta
Washington National → Atlanta → Northwest Arkansas
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
21:24DL 1880 to Northwest Arkansas leaves the gate
22 h 01 apart on the timetable, overnight
DL 1880 leaves 22 h 01 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.