UA 100 then UA 3755 at Houston
Sydney → Houston → Lubbock
Timetable, Houston time
07:50UA 100 from Sydney at the gate
22:10UA 3755 to Lubbock leaves the gate
14 h 20 apart on the timetable
UA 3755 leaves 14 h 20 after UA 100 arrives on the timetable: more than half a day, so not a connection we count.