DL 3535 then WN 1173 at Phoenix
Austin → Phoenix → Chicago Midway
Timetable, Phoenix time
09:54DL 3535 from Austin at the gate
07:35WN 1173 to Chicago Midway leaves the gate
21 h 41 apart on the timetable, overnight
WN 1173 leaves 21 h 41 after DL 3535 arrives on the timetable: more than half a day, so not a connection we count.