DL 2601 then DL 5138 at Detroit
Baltimore → Detroit → Knoxville
Timetable, Detroit time
07:42DL 2601 from Baltimore at the gate
19:49DL 5138 to Knoxville leaves the gate
12 h 07 apart on the timetable
DL 5138 leaves 12 h 07 after DL 2601 arrives on the timetable: more than half a day, so not a connection we count.