Y4 730 then UA 6086 at Houston
Mexico City → Houston → Shreveport
Timetable, Houston time
08:04Y4 730 from Mexico City at the gate
07:00UA 6086 to Shreveport leaves the gate
22 h 56 apart on the timetable, overnight
UA 6086 leaves 22 h 56 after Y4 730 arrives on the timetable: more than half a day, so not a connection we count.