AA 1766 then DL 5595 at JFK
Dallas-Fort Worth → New York → Washington
Timetable, New York time
12:29AA 1766 from Dallas-Fort Worth at the gate
10:25DL 5595 to Washington leaves the gate
21 h 56 apart on the timetable, overnight
DL 5595 leaves 21 h 56 after AA 1766 arrives on the timetable: more than half a day, so not a connection we count.