UA 4289 then UA 3754 at Houston
Jackson (Mississippi) → Houston → Waco
Timetable, Houston time
15:34UA 4289 from Jackson (Mississippi) at the gate
11:30UA 3754 to Waco leaves the gate
19 h 56 apart on the timetable, overnight
UA 3754 leaves 19 h 56 after UA 4289 arrives on the timetable: more than half a day, so not a connection we count.