WN 155 then DL 3535 at Phoenix
Louisville → Phoenix → Austin
Timetable, Phoenix time
10:40WN 155 from Louisville at the gate
10:34DL 3535 to Austin leaves the gate
23 h 54 apart on the timetable, overnight
DL 3535 leaves 23 h 54 after WN 155 arrives on the timetable: more than half a day, so not a connection we count.