K4 579 then UA 1840 at O'Hare
Fairbanks → Chicago → Hartford
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
14:36UA 1840 to Hartford leaves the gate
22 h 13 apart on the timetable, overnight
UA 1840 leaves 22 h 13 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.