UA 4356 then UA 3754 at Houston
Lafayette → Houston → Waco
Timetable, Houston time
15:25UA 4356 from Lafayette at the gate
11:30UA 3754 to Waco leaves the gate
20 h 05 apart on the timetable, overnight
UA 3754 leaves 20 h 05 after UA 4356 arrives on the timetable: more than half a day, so not a connection we count.