AA 5480 then DL 5101 at Detroit
Philadelphia → Detroit → Birmingham (Alabama)
Timetable, Detroit time
10:41AA 5480 from Philadelphia at the gate
08:40DL 5101 to Birmingham (Alabama) leaves the gate
21 h 59 apart on the timetable, overnight
DL 5101 leaves 21 h 59 after AA 5480 arrives on the timetable: more than half a day, so not a connection we count.