UA 4111 then DL 1778 at Houston
Minot → Houston → New York LaGuardia
Timetable, Houston time
21:15UA 4111 from Minot at the gate
18:45DL 1778 to New York LaGuardia leaves the gate
21 h 30 apart on the timetable, overnight
DL 1778 leaves 21 h 30 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.