KJ 248 then AA 3974 at O'Hare
Anchorage → Chicago → Harrisburg
Timetable, Chicago time
14:14KJ 248 from Anchorage at the gate
10:35AA 3974 to Harrisburg leaves the gate
20 h 21 apart on the timetable, overnight
AA 3974 leaves 20 h 21 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.