UA 1853 then AA 2091 at LAX
Cleveland → Los Angeles → Nashville
Timetable, Los Angeles time
20:27UA 1853 from Cleveland at the gate
17:38AA 2091 to Nashville leaves the gate
21 h 11 apart on the timetable, overnight
AA 2091 leaves 21 h 11 after UA 1853 arrives on the timetable: more than half a day, so not a connection we count.