WN 4968 then WN 2423 at Phoenix
Tucson → Phoenix → Dallas
Timetable, Phoenix time
07:55WN 4968 from Tucson at the gate
05:40WN 2423 to Dallas leaves the gate
21 h 45 apart on the timetable, overnight
WN 2423 leaves 21 h 45 after WN 4968 arrives on the timetable: more than half a day, so not a connection we count.