UA 4111 then UA 4908 at Houston
Minot → Houston → Shreveport
Timetable, Houston time
21:15UA 4111 from Minot at the gate
16:12UA 4908 to Shreveport leaves the gate
18 h 57 apart on the timetable, overnight
UA 4908 leaves 18 h 57 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.