UA 281 then UA 6086 at Houston
Oklahoma City → Houston → Shreveport
Timetable, Houston time
08:39UA 281 from Oklahoma City at the gate
07:00UA 6086 to Shreveport leaves the gate
22 h 21 apart on the timetable, overnight
UA 6086 leaves 22 h 21 after UA 281 arrives on the timetable: more than half a day, so not a connection we count.