K4 557 then AA 1873 at O'Hare
Anchorage → Chicago → Salt Lake City
Timetable, Chicago time
14:14K4 557 from Anchorage at the gate
13:59AA 1873 to Salt Lake City leaves the gate
23 h 45 apart on the timetable, overnight
AA 1873 leaves 23 h 45 after K4 557 arrives on the timetable: more than half a day, so not a connection we count.