WN 754 then WN 3438 at Phoenix
San Diego → Phoenix → Houston Hobby
Timetable, Phoenix time
08:40WN 754 from San Diego at the gate
20:55WN 3438 to Houston Hobby leaves the gate
12 h 15 apart on the timetable
WN 3438 leaves 12 h 15 after WN 754 arrives on the timetable: more than half a day, so not a connection we count.