F9 2021 then DL 5071 at Detroit
Philadelphia → Detroit → Cleveland
Timetable, Detroit time
00:05F9 2021 from Philadelphia at the gate
20:05DL 5071 to Cleveland leaves the gate
20 h apart on the timetable
DL 5071 leaves 20 h after F9 2021 arrives on the timetable: more than half a day, so not a connection we count.