AA 5447 then UA 4950 at Dulles
Charlotte → Washington → Ithaca
Timetable, Washington time
17:14AA 5447 from Charlotte at the gate
08:14UA 4950 to Ithaca leaves the gate
15 h apart on the timetable, overnight
UA 4950 leaves 15 h after AA 5447 arrives on the timetable: more than half a day, so not a connection we count.