CV 46 then AA 1173 at O'Hare
Anchorage → Chicago → Pittsburgh
Timetable, Chicago time
19:54CV 46 from Anchorage at the gate
18:30AA 1173 to Pittsburgh leaves the gate
22 h 36 apart on the timetable, overnight
AA 1173 leaves 22 h 36 after CV 46 arrives on the timetable: more than half a day, so not a connection we count.