AA 5510 then DL 5410 at Atlanta
Washington National → Atlanta → Bloomington-Normal
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
21:35DL 5410 to Bloomington-Normal leaves the gate
22 h 12 apart on the timetable, overnight
DL 5410 leaves 22 h 12 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.