UA 3902 then AV 425 at Houston
Cape Town → Houston → Santa Clara
Timetable, Houston time
03:11UA 3902 from Cape Town at the gate
16:45AV 425 to Santa Clara leaves the gate
13 h 34 apart on the timetable
AV 425 leaves 13 h 34 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.