CZ 427 then AA 716 at O'Hare
Anchorage → Chicago → Philadelphia
Timetable, Chicago time
05:24CZ 427 from Anchorage at the gate
17:47AA 716 to Philadelphia leaves the gate
12 h 23 apart on the timetable
AA 716 leaves 12 h 23 after CZ 427 arrives on the timetable: more than half a day, so not a connection we count.