K4 579 then UA 5819 at O'Hare
Fairbanks → Chicago → Duluth
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
08:42UA 5819 to Duluth leaves the gate
16 h 19 apart on the timetable, overnight
UA 5819 leaves 16 h 19 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.