DL 5389 then AA 5503 at Atlanta
Bloomington-Normal → Atlanta → Washington National
Timetable, Atlanta time
19:14DL 5389 from Bloomington-Normal at the gate
16:55AA 5503 to Washington National leaves the gate
21 h 41 apart on the timetable, overnight
AA 5503 leaves 21 h 41 after DL 5389 arrives on the timetable: more than half a day, so not a connection we count.