UA 6080 then AA 1487 at O'Hare
Sioux City → Chicago → San Antonio
Timetable, Chicago time
07:35UA 6080 from Sioux City at the gate
20:53AA 1487 to San Antonio leaves the gate
13 h 18 apart on the timetable
AA 1487 leaves 13 h 18 after UA 6080 arrives on the timetable: more than half a day, so not a connection we count.