DL 939 then DL 184 at JFK
Los Angeles → New York → Milan
Timetable, New York time
20:59DL 939 from Los Angeles at the gate
19:50DL 184 to Milan leaves the gate
22 h 51 apart on the timetable, overnight
DL 184 leaves 22 h 51 after DL 939 arrives on the timetable: more than half a day, so not a connection we count.