UA 5939 then UA 3902 at Houston
Omaha → Houston → Newark
Timetable, Houston time
11:05UA 5939 from Omaha at the gate
11:00UA 3902 to Newark leaves the gate
23 h 55 apart on the timetable, overnight
UA 3902 leaves 23 h 55 after UA 5939 arrives on the timetable: more than half a day, so not a connection we count.