DL 5238 then DL 2402 at Detroit
Greenville-Spartanburg → Detroit → Philadelphia
Timetable, Detroit time
09:12DL 5238 from Greenville-Spartanburg at the gate
21:36DL 2402 to Philadelphia leaves the gate
12 h 24 apart on the timetable
DL 2402 leaves 12 h 24 after DL 5238 arrives on the timetable: more than half a day, so not a connection we count.