UA 1853 then DL 4648 at LAX
Cleveland → Los Angeles → Phoenix Sky Harbor
Timetable, Los Angeles time
20:27UA 1853 from Cleveland at the gate
16:20DL 4648 to Phoenix Sky Harbor leaves the gate
19 h 53 apart on the timetable, overnight
DL 4648 leaves 19 h 53 after UA 1853 arrives on the timetable: more than half a day, so not a connection we count.