WN 1693 then WN 2544 at Phoenix
San Diego → Phoenix → St Louis
Timetable, Phoenix time
09:05WN 1693 from San Diego at the gate
10:00WN 2544 to St Louis leaves the gate
55 min apart on the timetable
The last days
WN 1693 and WN 2544 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.