AA 3565 then UA 6106 at O'Hare
Syracuse → Chicago → Trenton
Timetable, Chicago time
07:31AA 3565 from Syracuse at the gate
20:00UA 6106 to Trenton leaves the gate
12 h 29 apart on the timetable
UA 6106 leaves 12 h 29 after AA 3565 arrives on the timetable: more than half a day, so not a connection we count.