DL 5238 then DL 978 at Detroit
Greenville-Spartanburg → Detroit → Buffalo
Timetable, Detroit time
09:12DL 5238 from Greenville-Spartanburg at the gate
22:50DL 978 to Buffalo leaves the gate
13 h 38 apart on the timetable
DL 978 leaves 13 h 38 after DL 5238 arrives on the timetable: more than half a day, so not a connection we count.