AA 4040 then WN 2423 at Phoenix
Denver → Phoenix → Dallas
Timetable, Phoenix time
07:07AA 4040 from Denver at the gate
05:40WN 2423 to Dallas leaves the gate
22 h 33 apart on the timetable, overnight
WN 2423 leaves 22 h 33 after AA 4040 arrives on the timetable: more than half a day, so not a connection we count.