UA 4111 then UA 6334 at Houston
Minot → Houston → Oklahoma City
Timetable, Houston time
21:15UA 4111 from Minot at the gate
16:30UA 6334 to Oklahoma City leaves the gate
19 h 15 apart on the timetable, overnight
UA 6334 leaves 19 h 15 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.