AA 4977 then K4 810 at O'Hare
Albany (New York) → Chicago → Anchorage
Timetable, Chicago time
09:10AA 4977 from Albany (New York) at the gate
04:00K4 810 to Anchorage leaves the gate
18 h 50 apart on the timetable, overnight
K4 810 leaves 18 h 50 after AA 4977 arrives on the timetable: more than half a day, so not a connection we count.