UA 3236 then UA 1675 at Houston
Midland → Houston → Medellín
Timetable, Houston time
18:30UA 3236 from Midland at the gate
16:25UA 1675 to Medellín leaves the gate
21 h 55 apart on the timetable, overnight
UA 1675 leaves 21 h 55 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.