AA 1728 then AA 2251 at DFW
Cincinnati → Dallas-Fort Worth → Baltimore
Timetable, Dallas-Fort Worth time
21:01AA 1728 from Cincinnati at the gate
18:52AA 2251 to Baltimore leaves the gate
21 h 51 apart on the timetable, overnight
AA 2251 leaves 21 h 51 after AA 1728 arrives on the timetable: more than half a day, so not a connection we count.