UA 1224 then DL 972 at LAX
Cleveland → Los Angeles → New York JFK
Timetable, Los Angeles time
09:12UA 1224 from Cleveland at the gate
08:25DL 972 to New York JFK leaves the gate
23 h 13 apart on the timetable, overnight
DL 972 leaves 23 h 13 after UA 1224 arrives on the timetable: more than half a day, so not a connection we count.