UA 4111 then DL 1891 at Houston
Minot → Houston → Detroit
Timetable, Houston time
21:15UA 4111 from Minot at the gate
15:32DL 1891 to Detroit leaves the gate
18 h 17 apart on the timetable, overnight
DL 1891 leaves 18 h 17 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.