AA 3802 then G7 3376 at O'Hare
Springfield Branson National → Chicago → St Louis
Timetable, Chicago time
15:36AA 3802 from Springfield Branson National at the gate
11:00G7 3376 to St Louis leaves the gate
19 h 24 apart on the timetable, overnight
G7 3376 leaves 19 h 24 after AA 3802 arrives on the timetable: more than half a day, so not a connection we count.