CA 3103 then UA 1349 at O'Hare
Anchorage → Chicago → Pittsburgh
Timetable, Chicago time
15:07CA 3103 from Anchorage at the gate
14:16UA 1349 to Pittsburgh leaves the gate
23 h 09 apart on the timetable, overnight
UA 1349 leaves 23 h 09 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.