DL 1567 then AA 3484 at O'Hare
Minneapolis → Chicago → St Louis
Timetable, Chicago time
11:48DL 1567 from Minneapolis at the gate
09:30AA 3484 to St Louis leaves the gate
21 h 42 apart on the timetable, overnight
AA 3484 leaves 21 h 42 after DL 1567 arrives on the timetable: more than half a day, so not a connection we count.