OO 6058 then UA 2202 at O'Hare
Sioux City → Chicago → Washington
Timetable, Chicago time
21:49OO 6058 from Sioux City at the gate
18:07UA 2202 to Washington leaves the gate
20 h 18 apart on the timetable, overnight
UA 2202 leaves 20 h 18 after OO 6058 arrives on the timetable: more than half a day, so not a connection we count.