UA 2009 then UA 3235 at Houston
Las Vegas → Houston → Louisville
Timetable, Houston time
05:55UA 2009 from Las Vegas at the gate
20:45UA 3235 to Louisville leaves the gate
14 h 50 apart on the timetable
UA 3235 leaves 14 h 50 after UA 2009 arrives on the timetable: more than half a day, so not a connection we count.