WN 3793 then WN 1552 at Phoenix
San Diego → Phoenix → Denver
Timetable, Phoenix time
07:00WN 3793 from San Diego at the gate
19:45WN 1552 to Denver leaves the gate
12 h 45 apart on the timetable
WN 1552 leaves 12 h 45 after WN 3793 arrives on the timetable: more than half a day, so not a connection we count.