AA 1333 then CX 99 at O'Hare
Philadelphia → Chicago → Anchorage
Timetable, Chicago time
23:30AA 1333 from Philadelphia at the gate
19:15CX 99 to Anchorage leaves the gate
19 h 45 apart on the timetable, overnight
CX 99 leaves 19 h 45 after AA 1333 arrives on the timetable: more than half a day, so not a connection we count.