UA 4111 then UA 5571 at Houston
Minot → Houston → Grand Rapids
Timetable, Houston time
21:15UA 4111 from Minot at the gate
18:35UA 5571 to Grand Rapids leaves the gate
21 h 20 apart on the timetable, overnight
UA 5571 leaves 21 h 20 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.