B6 917 then O3 182 at JFK
Boston → New York → Anchorage
Timetable, New York time
08:30B6 917 from Boston at the gate
05:45O3 182 to Anchorage leaves the gate
21 h 15 apart on the timetable, overnight
O3 182 leaves 21 h 15 after B6 917 arrives on the timetable: more than half a day, so not a connection we count.