UA 6104 then AA 2245 at O'Hare
YIP → Chicago → Sacramento
Timetable, Chicago time
20:00UA 6104 from YIP at the gate
10:05AA 2245 to Sacramento leaves the gate
14 h 05 apart on the timetable, overnight
AA 2245 leaves 14 h 05 after UA 6104 arrives on the timetable: more than half a day, so not a connection we count.