AA 1922 then AA 2401 at DFW
Las Vegas → Dallas-Fort Worth → Buffalo
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
18:55AA 2401 to Buffalo leaves the gate
23 h 49 apart on the timetable, overnight
AA 2401 leaves 23 h 49 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.