WN 734 then AA 2252 at Miami
Baltimore → Miami → Washington National
Timetable, Miami time
16:25WN 734 from Baltimore at the gate
14:20AA 2252 to Washington National leaves the gate
21 h 55 apart on the timetable, overnight
AA 2252 leaves 21 h 55 after WN 734 arrives on the timetable: more than half a day, so not a connection we count.