AA 2866 then UA 4950 at Dulles
Dallas-Fort Worth → Washington → Ithaca
Timetable, Washington time
18:19AA 2866 from Dallas-Fort Worth at the gate
08:14UA 4950 to Ithaca leaves the gate
13 h 55 apart on the timetable, overnight
UA 4950 leaves 13 h 55 after AA 2866 arrives on the timetable: more than half a day, so not a connection we count.