UA 2833 then UA 4307 at Houston
Chicago → Houston → Northwest Arkansas
Timetable, Houston time
09:50UA 2833 from Chicago at the gate
09:35UA 4307 to Northwest Arkansas leaves the gate
23 h 45 apart on the timetable, overnight
UA 4307 leaves 23 h 45 after UA 2833 arrives on the timetable: more than half a day, so not a connection we count.