UA 4111 then UA 6090 at Houston
Minot → Houston → Tucson
Timetable, Houston time
21:15UA 4111 from Minot at the gate
18:00UA 6090 to Tucson leaves the gate
20 h 45 apart on the timetable, overnight
UA 6090 leaves 20 h 45 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.