DL 336 then CI 5311 at JFK
Denver → New York → Anchorage
Timetable, New York time
12:47DL 336 from Denver at the gate
06:40CI 5311 to Anchorage leaves the gate
17 h 53 apart on the timetable, overnight
CI 5311 leaves 17 h 53 after DL 336 arrives on the timetable: more than half a day, so not a connection we count.