UA 4111 then UA 20 at Houston
Minot → Houston → Amsterdam
Timetable, Houston time
21:15UA 4111 from Minot at the gate
15:55UA 20 to Amsterdam leaves the gate
18 h 40 apart on the timetable, overnight
UA 20 leaves 18 h 40 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.