AA 6312 then CI 5235 at O'Hare
Erie → Chicago → Seattle (SEA)
Timetable, Chicago time
09:10AA 6312 from Erie at the gate
00:55CI 5235 to Seattle (SEA) leaves the gate
15 h 45 apart on the timetable, overnight
CI 5235 leaves 15 h 45 after AA 6312 arrives on the timetable: more than half a day, so not a connection we count.