K4 537 then AA 1317 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
23:39K4 537 from Anchorage at the gate
15:20AA 1317 to Denver leaves the gate
15 h 41 apart on the timetable, overnight
AA 1317 leaves 15 h 41 after K4 537 arrives on the timetable: more than half a day, so not a connection we count.