UA 4336 then UA 4307 at Houston
Harlingen → Houston → Northwest Arkansas
Timetable, Houston time
12:52UA 4336 from Harlingen at the gate
09:35UA 4307 to Northwest Arkansas leaves the gate
20 h 43 apart on the timetable, overnight
UA 4307 leaves 20 h 43 after UA 4336 arrives on the timetable: more than half a day, so not a connection we count.