AA 2590 then G7 3376 at O'Hare
Santa Ana → Chicago → St Louis
Timetable, Chicago time
15:03AA 2590 from Santa Ana at the gate
11:00G7 3376 to St Louis leaves the gate
19 h 57 apart on the timetable, overnight
G7 3376 leaves 19 h 57 after AA 2590 arrives on the timetable: more than half a day, so not a connection we count.