UA 4301 then UA 4347 at Houston
Lubbock → Houston → Jackson (Mississippi)
Timetable, Houston time
18:41UA 4301 from Lubbock at the gate
09:49UA 4347 to Jackson (Mississippi) leaves the gate
15 h 08 apart on the timetable, overnight
UA 4347 leaves 15 h 08 after UA 4301 arrives on the timetable: more than half a day, so not a connection we count.