DL 785 then WN 1209 at Phoenix
Detroit → Phoenix → Seattle
Timetable, Phoenix time
15:06DL 785 from Detroit at the gate
16:00WN 1209 to Seattle leaves the gate
54 min apart on the timetable
The last days
DL 785 and WN 1209 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.