K4 529 then AA 797 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
15:32K4 529 from Anchorage at the gate
15:16AA 797 to Boston leaves the gate
23 h 44 apart on the timetable, overnight
AA 797 leaves 23 h 44 after K4 529 arrives on the timetable: more than half a day, so not a connection we count.