WN 4507 then AA 2303 at Phoenix
Salt Lake City → Phoenix → St Louis
Timetable, Phoenix time
06:55WN 4507 from Salt Lake City at the gate
09:37AA 2303 to St Louis leaves the gate
2 h 42 apart on the timetable
The last days
WN 4507 and AA 2303 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.