WN 4987 then WN 2423 at Phoenix
Las Vegas → Phoenix → Dallas
Timetable, Phoenix time
00:10WN 4987 from Las Vegas at the gate
18:30WN 2423 to Dallas leaves the gate
18 h 20 apart on the timetable
WN 2423 leaves 18 h 20 after WN 4987 arrives on the timetable: more than half a day, so not a connection we count.