F9 4768 then WN 1749 at Denver
Phoenix Sky Harbor → Denver → Dallas
Timetable, Denver time
09:19F9 4768 from Phoenix Sky Harbor at the gate
06:05WN 1749 to Dallas leaves the gate
20 h 46 apart on the timetable, overnight
WN 1749 leaves 20 h 46 after F9 4768 arrives on the timetable: more than half a day, so not a connection we count.