UA 4524 then UA 3902 at Houston
St Louis → Houston → Newark
Timetable, Houston time
11:01UA 4524 from St Louis at the gate
11:00UA 3902 to Newark leaves the gate
23 h 59 apart on the timetable, overnight
UA 3902 leaves 23 h 59 after UA 4524 arrives on the timetable: more than half a day, so not a connection we count.