DL 127 then CI 5311 at JFK
Madrid → New York → Anchorage
Timetable, New York time
12:00DL 127 from Madrid at the gate
06:40CI 5311 to Anchorage leaves the gate
18 h 40 apart on the timetable, overnight
CI 5311 leaves 18 h 40 after DL 127 arrives on the timetable: more than half a day, so not a connection we count.