OO 6058 then AA 3111 at O'Hare
Sioux City → Chicago → St Louis
Timetable, Chicago time
10:13OO 6058 from Sioux City at the gate
09:30AA 3111 to St Louis leaves the gate
23 h 17 apart on the timetable, overnight
AA 3111 leaves 23 h 17 after OO 6058 arrives on the timetable: more than half a day, so not a connection we count.