UA 3920 then UA 4533 at Houston
Orlando → Houston → Pensacola
Timetable, Houston time
19:47UA 3920 from Orlando at the gate
14:20UA 4533 to Pensacola leaves the gate
18 h 33 apart on the timetable, overnight
UA 4533 leaves 18 h 33 after UA 3920 arrives on the timetable: more than half a day, so not a connection we count.