AA 2124 then UA 5194 at O'Hare
Indianapolis → Chicago → Sioux City
Timetable, Chicago time
06:01AA 2124 from Indianapolis at the gate
00:00UA 5194 to Sioux City leaves the gate
17 h 59 apart on the timetable, overnight
UA 5194 leaves 17 h 59 after AA 2124 arrives on the timetable: more than half a day, so not a connection we count.