AA 6262 then UA 5194 at O'Hare
Evansville → Chicago → Sioux City
Timetable, Chicago time
08:51AA 6262 from Evansville at the gate
00:00UA 5194 to Sioux City leaves the gate
15 h 09 apart on the timetable, overnight
UA 5194 leaves 15 h 09 after AA 6262 arrives on the timetable: more than half a day, so not a connection we count.