UA 4111 then UA 4050 at Houston
Minot → Houston → Louisville
Timetable, Houston time
21:15UA 4111 from Minot at the gate
17:10UA 4050 to Louisville leaves the gate
19 h 55 apart on the timetable, overnight
UA 4050 leaves 19 h 55 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.