AA 1863 then YX 3286 at Dulles
Dallas-Fort Worth → Washington → New York LaGuardia
Timetable, Washington time
18:23AA 1863 from Dallas-Fort Worth at the gate
08:15YX 3286 to New York LaGuardia leaves the gate
13 h 52 apart on the timetable, overnight
YX 3286 leaves 13 h 52 after AA 1863 arrives on the timetable: more than half a day, so not a connection we count.