DL 8939 then WN 3525 at Phoenix
San Diego → Phoenix → St Louis
Timetable, Phoenix time
01:41DL 8939 from San Diego at the gate
08:50WN 3525 to St Louis leaves the gate
7 h 09 apart on the timetable
The last days
DL 8939 and WN 3525 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.