UA 4111 then UA 1373 at Houston
Minot → Houston → Washington
Timetable, Houston time
21:15UA 4111 from Minot at the gate
18:58UA 1373 to Washington leaves the gate
21 h 43 apart on the timetable, overnight
UA 1373 leaves 21 h 43 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.