AA 9909 then F9 1376 at Phoenix
Salt Lake City → Phoenix → Denver
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
10:09F9 1376 to Denver leaves the gate
19 h 39 apart on the timetable, overnight
F9 1376 leaves 19 h 39 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.