CZ 435 then UA 321 at O'Hare
Anchorage → Chicago → Phoenix
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
09:15UA 321 to Phoenix leaves the gate
17 h 17 apart on the timetable, overnight
UA 321 leaves 17 h 17 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.