F9 3971 then WN 3507 at Phoenix
Dallas-Fort Worth → Phoenix → San Diego
Timetable, Phoenix time
10:50F9 3971 from Dallas-Fort Worth at the gate
22:55WN 3507 to San Diego leaves the gate
12 h 05 apart on the timetable
WN 3507 leaves 12 h 05 after F9 3971 arrives on the timetable: more than half a day, so not a connection we count.