AA 519 then K4 810 at O'Hare
Portland (Oregon) → Chicago → Anchorage
Timetable, Chicago time
05:07AA 519 from Portland (Oregon) at the gate
04:00K4 810 to Anchorage leaves the gate
22 h 53 apart on the timetable, overnight
K4 810 leaves 22 h 53 after AA 519 arrives on the timetable: more than half a day, so not a connection we count.