AA 3649 then WN 149 at Phoenix
Tucson → Phoenix → Las Vegas
Timetable, Phoenix time
09:45AA 3649 from Tucson at the gate
08:35WN 149 to Las Vegas leaves the gate
22 h 50 apart on the timetable, overnight
WN 149 leaves 22 h 50 after AA 3649 arrives on the timetable: more than half a day, so not a connection we count.