K4 579 then UA 1879 at O'Hare
Fairbanks → Chicago → San Jose del Cabo
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
09:03UA 1879 to San Jose del Cabo leaves the gate
16 h 40 apart on the timetable, overnight
UA 1879 leaves 16 h 40 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.