OO 6058 then UA 2263 at O'Hare
Sioux City → Chicago → Seattle (SEA)
Timetable, Chicago time
07:36OO 6058 from Sioux City at the gate
20:20UA 2263 to Seattle (SEA) leaves the gate
12 h 44 apart on the timetable
UA 2263 leaves 12 h 44 after OO 6058 arrives on the timetable: more than half a day, so not a connection we count.