UA 353 then OO 6105 at O'Hare
Los Angeles → Chicago → YIP
Timetable, Chicago time
05:20UA 353 from Los Angeles at the gate
18:50OO 6105 to YIP leaves the gate
13 h 30 apart on the timetable
OO 6105 leaves 13 h 30 after UA 353 arrives on the timetable: more than half a day, so not a connection we count.