UA 3236 then UA 5652 at Houston
Mc Allen → Houston → Salt Lake City
Timetable, Houston time
20:10UA 3236 from Mc Allen at the gate
12:25UA 5652 to Salt Lake City leaves the gate
16 h 15 apart on the timetable, overnight
UA 5652 leaves 16 h 15 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.