K4 579 then AM 687 at O'Hare
Fairbanks → Chicago → Mexico City
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
15:26AM 687 to Mexico City leaves the gate
23 h 03 apart on the timetable, overnight
AM 687 leaves 23 h 03 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.