UA 2234 then UA 4307 at Houston
Newark → Houston → Northwest Arkansas
Timetable, Houston time
13:28UA 2234 from Newark at the gate
09:35UA 4307 to Northwest Arkansas leaves the gate
20 h 07 apart on the timetable, overnight
UA 4307 leaves 20 h 07 after UA 2234 arrives on the timetable: more than half a day, so not a connection we count.