DL 1630 then DL 5138 at Detroit
Rochester → Detroit → Knoxville
Timetable, Detroit time
07:24DL 1630 from Rochester at the gate
19:49DL 5138 to Knoxville leaves the gate
12 h 25 apart on the timetable
DL 5138 leaves 12 h 25 after DL 1630 arrives on the timetable: more than half a day, so not a connection we count.