K4 221 then UA 359 at O'Hare
Anchorage → Chicago → Mexico City
Timetable, Chicago time
13:41K4 221 from Anchorage at the gate
08:55UA 359 to Mexico City leaves the gate
19 h 14 apart on the timetable, overnight
UA 359 leaves 19 h 14 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.