CZ 435 then AA 4757 at O'Hare
Anchorage → Chicago → Pittsburgh
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
09:46AA 4757 to Pittsburgh leaves the gate
17 h 48 apart on the timetable, overnight
AA 4757 leaves 17 h 48 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.