DL 837 then DL 991 at LAX
Atlanta → Los Angeles → New York JFK
Timetable, Los Angeles time
11:26DL 837 from Atlanta at the gate
11:25DL 991 to New York JFK leaves the gate
23 h 59 apart on the timetable, overnight
DL 991 leaves 23 h 59 after DL 837 arrives on the timetable: more than half a day, so not a connection we count.