DL 4634 then DL 2073 at Detroit
Indianapolis → Detroit → Washington National
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
21:55DL 2073 to Washington National leaves the gate
14 h apart on the timetable
DL 2073 leaves 14 h after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.