AA 1652 then K4 810 at O'Hare
Philadelphia → Chicago → Anchorage
Timetable, Chicago time
07:27AA 1652 from Philadelphia at the gate
04:00K4 810 to Anchorage leaves the gate
20 h 33 apart on the timetable, overnight
K4 810 leaves 20 h 33 after AA 1652 arrives on the timetable: more than half a day, so not a connection we count.