BR 642 then UA 2317 at O'Hare
Anchorage → Chicago → Memphis
Timetable, Chicago time
09:02BR 642 from Anchorage at the gate
21:44UA 2317 to Memphis leaves the gate
12 h 42 apart on the timetable
UA 2317 leaves 12 h 42 after BR 642 arrives on the timetable: more than half a day, so not a connection we count.