AA 3028 then UA 3376 at O'Hare
Raleigh-Durham → Chicago → St Louis
Timetable, Chicago time
17:13AA 3028 from Raleigh-Durham at the gate
11:00UA 3376 to St Louis leaves the gate
17 h 47 apart on the timetable, overnight
UA 3376 leaves 17 h 47 after AA 3028 arrives on the timetable: more than half a day, so not a connection we count.