UA 846 then UA 3235 at Houston
Santiago de Chile → Houston → Louisville
Timetable, Houston time
05:25UA 846 from Santiago de Chile at the gate
20:45UA 3235 to Louisville leaves the gate
15 h 20 apart on the timetable
UA 3235 leaves 15 h 20 after UA 846 arrives on the timetable: more than half a day, so not a connection we count.