K4 557 then UA 455 at O'Hare
Anchorage → Chicago → Phoenix
Timetable, Chicago time
14:14K4 557 from Anchorage at the gate
12:55UA 455 to Phoenix leaves the gate
22 h 41 apart on the timetable, overnight
UA 455 leaves 22 h 41 after K4 557 arrives on the timetable: more than half a day, so not a connection we count.