DL 939 then AA 4611 at JFK
Los Angeles → New York → Pittsburgh
Timetable, New York time
20:59DL 939 from Los Angeles at the gate
19:42AA 4611 to Pittsburgh leaves the gate
22 h 43 apart on the timetable, overnight
AA 4611 leaves 22 h 43 after DL 939 arrives on the timetable: more than half a day, so not a connection we count.