AA 764 then CI 5235 at O'Hare
Houston → Chicago → Seattle (SEA)
Timetable, Chicago time
11:58AA 764 from Houston at the gate
00:55CI 5235 to Seattle (SEA) leaves the gate
12 h 57 apart on the timetable, overnight
CI 5235 leaves 12 h 57 after AA 764 arrives on the timetable: more than half a day, so not a connection we count.