UA 3920 then UA 334 at Houston
Orlando → Houston → New York LaGuardia
Timetable, Houston time
19:47UA 3920 from Orlando at the gate
16:25UA 334 to New York LaGuardia leaves the gate
20 h 38 apart on the timetable, overnight
UA 334 leaves 20 h 38 after UA 3920 arrives on the timetable: more than half a day, so not a connection we count.