K4 579 then UA 2164 at O'Hare
Fairbanks → Chicago → Phoenix
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
11:08UA 2164 to Phoenix leaves the gate
18 h 45 apart on the timetable, overnight
UA 2164 leaves 18 h 45 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.