AA 3301 then G7 3376 at O'Hare
Dallas-Fort Worth → Chicago → St Louis
Timetable, Chicago time
11:05AA 3301 from Dallas-Fort Worth at the gate
11:00G7 3376 to St Louis leaves the gate
23 h 55 apart on the timetable, overnight
G7 3376 leaves 23 h 55 after AA 3301 arrives on the timetable: more than half a day, so not a connection we count.