Y4 832 then UA 3234 at Houston
Puebla → Houston → Silao
Timetable, Houston time
17:15Y4 832 from Puebla at the gate
09:15UA 3234 to Silao leaves the gate
16 h apart on the timetable, overnight
UA 3234 leaves 16 h after Y4 832 arrives on the timetable: more than half a day, so not a connection we count.