UA 4293 then AA 5222 at Dulles
Syracuse → Washington → Charlotte
Timetable, Washington time
07:32UA 4293 from Syracuse at the gate
20:07AA 5222 to Charlotte leaves the gate
12 h 35 apart on the timetable
AA 5222 leaves 12 h 35 after UA 4293 arrives on the timetable: more than half a day, so not a connection we count.