AA 2414 then AA 1771 at DFW
Washington → Dallas-Fort Worth → Las Vegas
Timetable, Dallas-Fort Worth time
19:53AA 2414 from Washington at the gate
18:08AA 1771 to Las Vegas leaves the gate
22 h 15 apart on the timetable, overnight
AA 1771 leaves 22 h 15 after AA 2414 arrives on the timetable: more than half a day, so not a connection we count.