AA 1329 then UA 2263 at O'Hare
Jacksonville → Chicago → Seattle (SEA)
Timetable, Chicago time
08:15AA 1329 from Jacksonville at the gate
20:20UA 2263 to Seattle (SEA) leaves the gate
12 h 05 apart on the timetable
UA 2263 leaves 12 h 05 after AA 1329 arrives on the timetable: more than half a day, so not a connection we count.