ET 3608 then AA 3292 at O'Hare
Anchorage → Chicago → St Louis
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
22:39AA 3292 to St Louis leaves the gate
15 h 23 apart on the timetable
AA 3292 leaves 15 h 23 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.