WN 155 then WN 4441 at Phoenix
Louisville → Phoenix → Austin
Timetable, Phoenix time
10:40WN 155 from Louisville at the gate
08:15WN 4441 to Austin leaves the gate
21 h 35 apart on the timetable, overnight
WN 4441 leaves 21 h 35 after WN 155 arrives on the timetable: more than half a day, so not a connection we count.