UA 1979 then UA 3234 at Houston
Tampa → Houston → Silao
Timetable, Houston time
13:12UA 1979 from Tampa at the gate
09:15UA 3234 to Silao leaves the gate
20 h 03 apart on the timetable, overnight
UA 3234 leaves 20 h 03 after UA 1979 arrives on the timetable: more than half a day, so not a connection we count.