UA 4111 then UA 589 at Houston
Minot → Houston → San Francisco
Timetable, Houston time
21:15UA 4111 from Minot at the gate
14:50UA 589 to San Francisco leaves the gate
17 h 35 apart on the timetable, overnight
UA 589 leaves 17 h 35 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.