B6 1888 then CI 5311 at JFK
Washington National → New York → Anchorage
Timetable, New York time
07:27B6 1888 from Washington National at the gate
06:40CI 5311 to Anchorage leaves the gate
23 h 13 apart on the timetable, overnight
CI 5311 leaves 23 h 13 after B6 1888 arrives on the timetable: more than half a day, so not a connection we count.