F9 2105 then AA 1594 at Phoenix
Denver → Phoenix → Austin
Timetable, Phoenix time
16:17F9 2105 from Denver at the gate
13:58AA 1594 to Austin leaves the gate
21 h 41 apart on the timetable, overnight
AA 1594 leaves 21 h 41 after F9 2105 arrives on the timetable: more than half a day, so not a connection we count.