AA 1851 then WN 2423 at Phoenix
San Diego → Phoenix → Dallas
Timetable, Phoenix time
14:35AA 1851 from San Diego at the gate
05:40WN 2423 to Dallas leaves the gate
15 h 05 apart on the timetable, overnight
WN 2423 leaves 15 h 05 after AA 1851 arrives on the timetable: more than half a day, so not a connection we count.