DL 785 then WN 1758 at Phoenix
Detroit → Phoenix → St Louis
Timetable, Phoenix time
15:06DL 785 from Detroit at the gate
18:15WN 1758 to St Louis leaves the gate
3 h 09 apart on the timetable
The last days
DL 785 and WN 1758 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.