K4 221 then AA 2036 at O'Hare
Anchorage → Chicago → Philadelphia
Timetable, Chicago time
13:41K4 221 from Anchorage at the gate
12:59AA 2036 to Philadelphia leaves the gate
23 h 18 apart on the timetable, overnight
AA 2036 leaves 23 h 18 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.