OO 6058 then UA 4547 at O'Hare
Sioux City → Chicago → Birmingham (Alabama)
Timetable, Chicago time
21:49OO 6058 from Sioux City at the gate
15:41UA 4547 to Birmingham (Alabama) leaves the gate
17 h 52 apart on the timetable, overnight
UA 4547 leaves 17 h 52 after OO 6058 arrives on the timetable: more than half a day, so not a connection we count.