WN 3391 then WN 4619 at Phoenix
Salt Lake City → Phoenix → San Diego
Timetable, Phoenix time
15:00WN 3391 from Salt Lake City at the gate
16:15WN 4619 to San Diego leaves the gate
1 h 15 apart on the timetable
The last days
WN 3391 and WN 4619 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.