UA 4301 then UA 6345 at Houston
Lubbock → Houston → Albuquerque
Timetable, Houston time
18:41UA 4301 from Lubbock at the gate
12:02UA 6345 to Albuquerque leaves the gate
17 h 21 apart on the timetable, overnight
UA 6345 leaves 17 h 21 after UA 4301 arrives on the timetable: more than half a day, so not a connection we count.