DL 4885 then DL 5138 at Detroit
Grand Rapids → Detroit → Knoxville
Timetable, Detroit time
06:30DL 4885 from Grand Rapids at the gate
19:49DL 5138 to Knoxville leaves the gate
13 h 19 apart on the timetable
DL 5138 leaves 13 h 19 after DL 4885 arrives on the timetable: more than half a day, so not a connection we count.