DL 5018 then BR 635 at JFK
Cleveland → New York → Anchorage
Timetable, New York time
13:09DL 5018 from Cleveland at the gate
12:50BR 635 to Anchorage leaves the gate
23 h 41 apart on the timetable, overnight
BR 635 leaves 23 h 41 after DL 5018 arrives on the timetable: more than half a day, so not a connection we count.