AA 4649 then CI 5235 at O'Hare
Pittsburgh → Chicago → Seattle (SEA)
Timetable, Chicago time
11:00AA 4649 from Pittsburgh at the gate
00:55CI 5235 to Seattle (SEA) leaves the gate
13 h 55 apart on the timetable, overnight
CI 5235 leaves 13 h 55 after AA 4649 arrives on the timetable: more than half a day, so not a connection we count.