WN 3359 then DL 2013 at Atlanta
Dallas → Atlanta → Phoenix
Timetable, Atlanta time
10:40WN 3359 from Dallas at the gate
19:40DL 2013 to Phoenix leaves the gate
9 h apart on the timetable
The last days
WN 3359 and DL 2013 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.