WN 2124 then WN 1749 at Denver
Phoenix Sky Harbor → Denver → Dallas
Timetable, Denver time
11:50WN 2124 from Phoenix Sky Harbor at the gate
05:35WN 1749 to Dallas leaves the gate
17 h 45 apart on the timetable, overnight
WN 1749 leaves 17 h 45 after WN 2124 arrives on the timetable: more than half a day, so not a connection we count.