AA 317 then CI 5235 at O'Hare
Denver → Chicago → Seattle (SEA)
Timetable, Chicago time
10:04AA 317 from Denver at the gate
00:55CI 5235 to Seattle (SEA) leaves the gate
14 h 51 apart on the timetable, overnight
CI 5235 leaves 14 h 51 after AA 317 arrives on the timetable: more than half a day, so not a connection we count.