SY 686 then AA 2081 at Phoenix
Madison → Phoenix → DES
Timetable, Phoenix time
17:21SY 686 from Madison at the gate
16:31AA 2081 to DES leaves the gate
23 h 10 apart on the timetable, overnight
AA 2081 leaves 23 h 10 after SY 686 arrives on the timetable: more than half a day, so not a connection we count.