DL 1454 then UA 6362 at Detroit
Washington National → Detroit → Washington
Timetable, Detroit time
20:05DL 1454 from Washington National at the gate
19:45UA 6362 to Washington leaves the gate
23 h 40 apart on the timetable, overnight
UA 6362 leaves 23 h 40 after DL 1454 arrives on the timetable: more than half a day, so not a connection we count.