CA 3103 then AA 3974 at O'Hare
Anchorage → Chicago → Harrisburg
Timetable, Chicago time
09:07CA 3103 from Anchorage at the gate
08:27AA 3974 to Harrisburg leaves the gate
23 h 20 apart on the timetable, overnight
AA 3974 leaves 23 h 20 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.