DL 5720 then O3 182 at JFK
Boston → New York → Anchorage
Timetable, New York time
10:37DL 5720 from Boston at the gate
05:20O3 182 to Anchorage leaves the gate
18 h 43 apart on the timetable, overnight
O3 182 leaves 18 h 43 after DL 5720 arrives on the timetable: more than half a day, so not a connection we count.