AA 3584 then OO 9912 at O'Hare
Springfield Branson National → Chicago → Richmond
Timetable, Chicago time
12:22AA 3584 from Springfield Branson National at the gate
07:30OO 9912 to Richmond leaves the gate
19 h 08 apart on the timetable, overnight
OO 9912 leaves 19 h 08 after AA 3584 arrives on the timetable: more than half a day, so not a connection we count.