AA 520 then WN 3526 at Phoenix
Dallas-Fort Worth → Phoenix → St Louis
Timetable, Phoenix time
09:11AA 520 from Dallas-Fort Worth at the gate
12:40WN 3526 to St Louis leaves the gate
3 h 29 apart on the timetable
The last days
AA 520 and WN 3526 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.