M6 5778 then UA 1743 at Houston
Louisville → Houston → Los Angeles
Timetable, Houston time
17:04M6 5778 from Louisville at the gate
16:25UA 1743 to Los Angeles leaves the gate
23 h 21 apart on the timetable, overnight
UA 1743 leaves 23 h 21 after M6 5778 arrives on the timetable: more than half a day, so not a connection we count.