DL 2270 then AA 5923 at Philadelphia
Atlanta → Philadelphia → Manchester
Timetable, Philadelphia time
11:03DL 2270 from Atlanta at the gate
10:51AA 5923 to Manchester leaves the gate
23 h 48 apart on the timetable, overnight
AA 5923 leaves 23 h 48 after DL 2270 arrives on the timetable: more than half a day, so not a connection we count.