UA 5612 then AA 1325 at LAX
Las Vegas → Los Angeles → Indianapolis
Timetable, Los Angeles time
20:03UA 5612 from Las Vegas at the gate
16:56AA 1325 to Indianapolis leaves the gate
20 h 53 apart on the timetable, overnight
AA 1325 leaves 20 h 53 after UA 5612 arrives on the timetable: more than half a day, so not a connection we count.