DL 4917 then CX 75 at JFK
Chicago O'Hare → New York → Toronto
Timetable, New York time
21:40DL 4917 from Chicago O'Hare at the gate
21:00CX 75 to Toronto leaves the gate
23 h 20 apart on the timetable, overnight
CX 75 leaves 23 h 20 after DL 4917 arrives on the timetable: more than half a day, so not a connection we count.