UA 4111 then UA 2197 at Houston
Minot → Houston → Chicago
Timetable, Houston time
21:15UA 4111 from Minot at the gate
18:48UA 2197 to Chicago leaves the gate
21 h 33 apart on the timetable, overnight
UA 2197 leaves 21 h 33 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.