UA 4301 then UA 2783 at Houston
Lubbock → Houston → New York LaGuardia
Timetable, Houston time
18:41UA 4301 from Lubbock at the gate
17:15UA 2783 to New York LaGuardia leaves the gate
22 h 34 apart on the timetable, overnight
UA 2783 leaves 22 h 34 after UA 4301 arrives on the timetable: more than half a day, so not a connection we count.