UA 2830 then UA 4307 at Houston
Las Vegas → Houston → Northwest Arkansas
Timetable, Houston time
13:05UA 2830 from Las Vegas at the gate
09:35UA 4307 to Northwest Arkansas leaves the gate
20 h 30 apart on the timetable, overnight
UA 4307 leaves 20 h 30 after UA 2830 arrives on the timetable: more than half a day, so not a connection we count.