UA 4358 then DL 2617 at Houston
Knoxville → Houston → Minneapolis
Timetable, Houston time
17:24UA 4358 from Knoxville at the gate
17:00DL 2617 to Minneapolis leaves the gate
23 h 36 apart on the timetable, overnight
DL 2617 leaves 23 h 36 after UA 4358 arrives on the timetable: more than half a day, so not a connection we count.