AA 9909 then WN 1407 at Phoenix
Salt Lake City → Phoenix → Nashville
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
11:20WN 1407 to Nashville leaves the gate
20 h 50 apart on the timetable, overnight
WN 1407 leaves 20 h 50 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.