DL 2270 then AA 1779 at Philadelphia
Atlanta → Philadelphia → New Orleans
Timetable, Philadelphia time
11:03DL 2270 from Atlanta at the gate
11:00AA 1779 to New Orleans leaves the gate
23 h 57 apart on the timetable, overnight
AA 1779 leaves 23 h 57 after DL 2270 arrives on the timetable: more than half a day, so not a connection we count.