OO 6058 then AA 4489 at O'Hare
Sioux City → Chicago → Savannah
Timetable, Chicago time
10:13OO 6058 from Sioux City at the gate
08:00AA 4489 to Savannah leaves the gate
21 h 47 apart on the timetable, overnight
AA 4489 leaves 21 h 47 after OO 6058 arrives on the timetable: more than half a day, so not a connection we count.