OO 6058 then AA 1121 at O'Hare
Sioux City → Chicago → Austin
Timetable, Chicago time
10:13OO 6058 from Sioux City at the gate
08:10AA 1121 to Austin leaves the gate
21 h 57 apart on the timetable, overnight
AA 1121 leaves 21 h 57 after OO 6058 arrives on the timetable: more than half a day, so not a connection we count.