AA 1428 then F9 1019 at Phoenix
DES → Phoenix → Las Vegas
Timetable, Phoenix time
10:29AA 1428 from DES at the gate
08:30F9 1019 to Las Vegas leaves the gate
22 h 01 apart on the timetable, overnight
F9 1019 leaves 22 h 01 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.