WN 3434 then WN 901 at Phoenix
Seattle → Phoenix → San Diego
Timetable, Phoenix time
09:30WN 3434 from Seattle at the gate
10:10WN 901 to San Diego leaves the gate
40 min apart on the timetable
The last days
WN 3434 and WN 901 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.