UA 6053 then DL 972 at LAX
Seattle (SEA) → Los Angeles → New York JFK
Timetable, Los Angeles time
09:01UA 6053 from Seattle (SEA) at the gate
08:25DL 972 to New York JFK leaves the gate
23 h 24 apart on the timetable, overnight
DL 972 leaves 23 h 24 after UA 6053 arrives on the timetable: more than half a day, so not a connection we count.