K4 221 then AA 3731 at O'Hare
Anchorage → Chicago → Greenville-Spartanburg
Timetable, Chicago time
13:41K4 221 from Anchorage at the gate
13:10AA 3731 to Greenville-Spartanburg leaves the gate
23 h 29 apart on the timetable, overnight
AA 3731 leaves 23 h 29 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.