WN 856 then WN 3389 at Phoenix
Burbank → Phoenix → Austin
Timetable, Phoenix time
12:15WN 856 from Burbank at the gate
11:35WN 3389 to Austin leaves the gate
23 h 20 apart on the timetable, overnight
WN 3389 leaves 23 h 20 after WN 856 arrives on the timetable: more than half a day, so not a connection we count.