AA 5456 then DL 1751 at Atlanta
Philadelphia → Atlanta → Oranjestad
Timetable, Atlanta time
13:00AA 5456 from Philadelphia at the gate
08:17DL 1751 to Oranjestad leaves the gate
19 h 17 apart on the timetable, overnight
DL 1751 leaves 19 h 17 after AA 5456 arrives on the timetable: more than half a day, so not a connection we count.