AA 6270 then DL 991 at LAX
San Francisco → Los Angeles → New York JFK
Timetable, Los Angeles time
12:10AA 6270 from San Francisco at the gate
11:25DL 991 to New York JFK leaves the gate
23 h 15 apart on the timetable, overnight
DL 991 leaves 23 h 15 after AA 6270 arrives on the timetable: more than half a day, so not a connection we count.