DL 939 then AA 1067 at JFK
Los Angeles → New York → Chicago O'Hare
Timetable, New York time
20:59DL 939 from Los Angeles at the gate
20:24AA 1067 to Chicago O'Hare leaves the gate
23 h 25 apart on the timetable, overnight
AA 1067 leaves 23 h 25 after DL 939 arrives on the timetable: more than half a day, so not a connection we count.