AA 5188 then UA 6086 at Houston
Dallas-Fort Worth → Houston → Shreveport
Timetable, Houston time
09:54AA 5188 from Dallas-Fort Worth at the gate
07:00UA 6086 to Shreveport leaves the gate
21 h 06 apart on the timetable, overnight
UA 6086 leaves 21 h 06 after AA 5188 arrives on the timetable: more than half a day, so not a connection we count.