DL 3980 then DL 5138 at Detroit
Kalamazoo → Detroit → Knoxville
Timetable, Detroit time
06:30DL 3980 from Kalamazoo 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 3980 arrives on the timetable: more than half a day, so not a connection we count.