DL 3884 then DL 5138 at Detroit
Cleveland → Detroit → Knoxville
Timetable, Detroit time
07:09DL 3884 from Cleveland at the gate
19:49DL 5138 to Knoxville leaves the gate
12 h 40 apart on the timetable
DL 5138 leaves 12 h 40 after DL 3884 arrives on the timetable: more than half a day, so not a connection we count.