UA 2196 then UA 6086 at Houston
Austin → Houston → Shreveport
Timetable, Houston time
10:45UA 2196 from Austin at the gate
07:00UA 6086 to Shreveport leaves the gate
20 h 15 apart on the timetable, overnight
UA 6086 leaves 20 h 15 after UA 2196 arrives on the timetable: more than half a day, so not a connection we count.