UA 3236 then AV 425 at Houston
Mc Allen → Houston → Santa Clara
Timetable, Houston time
20:10UA 3236 from Mc Allen at the gate
16:45AV 425 to Santa Clara leaves the gate
20 h 35 apart on the timetable, overnight
AV 425 leaves 20 h 35 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.