DL 5808 then AV 661 at JFK
Boston → New York → Santa Clara
Timetable, New York time
15:09DL 5808 from Boston at the gate
15:05AV 661 to Santa Clara leaves the gate
23 h 56 apart on the timetable, overnight
AV 661 leaves 23 h 56 after DL 5808 arrives on the timetable: more than half a day, so not a connection we count.