AA 4687 then BR 635 at JFK
Boston → New York → Anchorage
Timetable, New York time
13:59AA 4687 from Boston at the gate
12:50BR 635 to Anchorage leaves the gate
22 h 51 apart on the timetable, overnight
BR 635 leaves 22 h 51 after AA 4687 arrives on the timetable: more than half a day, so not a connection we count.