AA 6509 then WN 1336 at Phoenix
Flagstaff → Phoenix → Dallas
Timetable, Phoenix time
08:53AA 6509 from Flagstaff at the gate
13:05WN 1336 to Dallas leaves the gate
4 h 12 apart on the timetable
The last days
AA 6509 and WN 1336 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.