K4 579 then UA 1706 at O'Hare
Fairbanks → Chicago → Phoenix
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
14:10UA 1706 to Phoenix leaves the gate
21 h 47 apart on the timetable, overnight
UA 1706 leaves 21 h 47 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.