F9 2021 then DL 5087 at Detroit
Philadelphia → Detroit → Des Moines
Timetable, Detroit time
00:05F9 2021 from Philadelphia at the gate
19:45DL 5087 to Des Moines leaves the gate
19 h 40 apart on the timetable
DL 5087 leaves 19 h 40 after F9 2021 arrives on the timetable: more than half a day, so not a connection we count.