AA 1851 then WN 3390 at Phoenix
San Diego → Phoenix → Austin
Timetable, Phoenix time
14:35AA 1851 from San Diego at the gate
14:30WN 3390 to Austin leaves the gate
23 h 55 apart on the timetable, overnight
WN 3390 leaves 23 h 55 after AA 1851 arrives on the timetable: more than half a day, so not a connection we count.