DL 1554 then AA 5447 at Dulles
Atlanta (ATL) → Washington → Charlotte
Timetable, Washington time
17:10DL 1554 from Atlanta (ATL) at the gate
15:55AA 5447 to Charlotte leaves the gate
22 h 45 apart on the timetable, overnight
AA 5447 leaves 22 h 45 after DL 1554 arrives on the timetable: more than half a day, so not a connection we count.