UA 63 then UA 3755 at Houston
São Paulo → Houston → Lubbock
Timetable, Houston time
05:25UA 63 from São Paulo at the gate
22:10UA 3755 to Lubbock leaves the gate
16 h 45 apart on the timetable
UA 3755 leaves 16 h 45 after UA 63 arrives on the timetable: more than half a day, so not a connection we count.