AA 4979 then WN 2423 at Phoenix
Flagstaff → Phoenix → Dallas
Timetable, Phoenix time
11:32AA 4979 from Flagstaff at the gate
05:40WN 2423 to Dallas leaves the gate
18 h 08 apart on the timetable, overnight
WN 2423 leaves 18 h 08 after AA 4979 arrives on the timetable: more than half a day, so not a connection we count.