DL 107 then DL 5595 at JFK
Frankfurt am Main → New York → Washington
Timetable, New York time
12:50DL 107 from Frankfurt am Main at the gate
10:25DL 5595 to Washington leaves the gate
21 h 35 apart on the timetable, overnight
DL 5595 leaves 21 h 35 after DL 107 arrives on the timetable: more than half a day, so not a connection we count.