DL 4903 then CI 5239 at O'Hare
New York JFK → Chicago → Anchorage
Timetable, Chicago time
09:27DL 4903 from New York JFK at the gate
21:55CI 5239 to Anchorage leaves the gate
12 h 28 apart on the timetable
CI 5239 leaves 12 h 28 after DL 4903 arrives on the timetable: more than half a day, so not a connection we count.