CV 2095 then AA 2444 at O'Hare
Anchorage → Chicago → St Louis
Timetable, Chicago time
07:21CV 2095 from Anchorage at the gate
20:18AA 2444 to St Louis leaves the gate
12 h 57 apart on the timetable
AA 2444 leaves 12 h 57 after CV 2095 arrives on the timetable: more than half a day, so not a connection we count.