UA 4111 then DL 1131 at Houston
Minot → Houston → Atlanta
Timetable, Houston time
21:15UA 4111 from Minot at the gate
18:20DL 1131 to Atlanta leaves the gate
21 h 05 apart on the timetable, overnight
DL 1131 leaves 21 h 05 after UA 4111 arrives on the timetable: more than half a day, so not a connection we count.