UA 4841 then UA 6086 at Houston
Huntsville → Houston → Shreveport
Timetable, Houston time
11:00UA 4841 from Huntsville at the gate
07:00UA 6086 to Shreveport leaves the gate
20 h apart on the timetable, overnight
UA 6086 leaves 20 h after UA 4841 arrives on the timetable: more than half a day, so not a connection we count.