AA 3300 then CI 5235 at O'Hare
Denver → Chicago → Seattle (SEA)
Timetable, Chicago time
11:45AA 3300 from Denver at the gate
00:55CI 5235 to Seattle (SEA) leaves the gate
13 h 10 apart on the timetable, overnight
CI 5235 leaves 13 h 10 after AA 3300 arrives on the timetable: more than half a day, so not a connection we count.