KJ 248 then AA 4498 at O'Hare
Anchorage → Chicago → Harrisburg
Timetable, Chicago time
14:14KJ 248 from Anchorage at the gate
11:45AA 4498 to Harrisburg leaves the gate
21 h 31 apart on the timetable, overnight
AA 4498 leaves 21 h 31 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.