UA 4232 then UA 6086 at Houston
Harlingen → Houston → Shreveport
Timetable, Houston time
08:37UA 4232 from Harlingen at the gate
07:00UA 6086 to Shreveport leaves the gate
22 h 23 apart on the timetable, overnight
UA 6086 leaves 22 h 23 after UA 4232 arrives on the timetable: more than half a day, so not a connection we count.