DL 5307 then DL 5138 at Detroit
Cincinnati → Detroit → Knoxville
Timetable, Detroit time
07:39DL 5307 from Cincinnati at the gate
19:49DL 5138 to Knoxville leaves the gate
12 h 10 apart on the timetable
DL 5138 leaves 12 h 10 after DL 5307 arrives on the timetable: more than half a day, so not a connection we count.