CV 21 then FX 1388 at O'Hare
Anchorage → Chicago → Memphis
Timetable, Chicago time
22:27CV 21 from Anchorage at the gate
22:00FX 1388 to Memphis leaves the gate
23 h 33 apart on the timetable, overnight
FX 1388 leaves 23 h 33 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.