AA 3171 then K4 810 at O'Hare
Phoenix → Chicago → Anchorage
Timetable, Chicago time
09:31AA 3171 from Phoenix at the gate
04:00K4 810 to Anchorage leaves the gate
18 h 29 apart on the timetable, overnight
K4 810 leaves 18 h 29 after AA 3171 arrives on the timetable: more than half a day, so not a connection we count.