AA 3239 then AA 1211 at O'Hare
Pittsburgh → Chicago → Seattle (SEA)
Timetable, Chicago time
16:54AA 3239 from Pittsburgh at the gate
15:24AA 1211 to Seattle (SEA) leaves the gate
22 h 30 apart on the timetable, overnight
AA 1211 leaves 22 h 30 after AA 3239 arrives on the timetable: more than half a day, so not a connection we count.