WN 2019 then WN 1722 at Phoenix
Tucson → Phoenix → Las Vegas
Timetable, Phoenix time
06:55WN 2019 from Tucson at the gate
21:55WN 1722 to Las Vegas leaves the gate
15 h apart on the timetable
WN 1722 leaves 15 h after WN 2019 arrives on the timetable: more than half a day, so not a connection we count.