DL 5238 then DL 4943 at Detroit
Greenville-Spartanburg → Detroit → Toronto
Timetable, Detroit time
09:12DL 5238 from Greenville-Spartanburg at the gate
21:35DL 4943 to Toronto leaves the gate
12 h 23 apart on the timetable
DL 4943 leaves 12 h 23 after DL 5238 arrives on the timetable: more than half a day, so not a connection we count.