DL 5238 then DL 4173 at Detroit
Greenville-Spartanburg → Detroit → Saginaw
Timetable, Detroit time
09:12DL 5238 from Greenville-Spartanburg at the gate
21:15DL 4173 to Saginaw leaves the gate
12 h 03 apart on the timetable
DL 4173 leaves 12 h 03 after DL 5238 arrives on the timetable: more than half a day, so not a connection we count.