AA 9909 then F9 3284 at Phoenix
Salt Lake City → Phoenix → Dallas-Fort Worth
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
11:55F9 3284 to Dallas-Fort Worth leaves the gate
21 h 25 apart on the timetable, overnight
F9 3284 leaves 21 h 25 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.