UA 1586 then UA 3902 at Houston
Dallas-Fort Worth → Houston → Newark
Timetable, Houston time
11:03UA 1586 from Dallas-Fort Worth at the gate
11:00UA 3902 to Newark leaves the gate
23 h 57 apart on the timetable, overnight
UA 3902 leaves 23 h 57 after UA 1586 arrives on the timetable: more than half a day, so not a connection we count.