AA 818 then CI 5235 at O'Hare
Charlotte → Chicago → Seattle (SEA)
Timetable, Chicago time
12:22AA 818 from Charlotte at the gate
00:55CI 5235 to Seattle (SEA) leaves the gate
12 h 33 apart on the timetable, overnight
CI 5235 leaves 12 h 33 after AA 818 arrives on the timetable: more than half a day, so not a connection we count.