DL 1643 then CX 75 at JFK
Austin → New York → Toronto
Timetable, New York time
23:02DL 1643 from Austin at the gate
21:00CX 75 to Toronto leaves the gate
21 h 58 apart on the timetable, overnight
CX 75 leaves 21 h 58 after DL 1643 arrives on the timetable: more than half a day, so not a connection we count.