UA 4301 then UA 2833 at Houston
Lubbock → Houston → Los Angeles
Timetable, Houston time
18:41UA 4301 from Lubbock at the gate
12:18UA 2833 to Los Angeles leaves the gate
17 h 37 apart on the timetable, overnight
UA 2833 leaves 17 h 37 after UA 4301 arrives on the timetable: more than half a day, so not a connection we count.