UA 4111 then UA 6375 at Houston
Minot → Houston → Oaxaca
Timetable, Houston time
21:15UA 4111 from Minot at the gate
16:48UA 6375 to Oaxaca leaves the gate
19 h 33 apart on the timetable, overnight
UA 6375 leaves 19 h 33 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.