AA 1404 then WN 4709 at Phoenix
Denver → Phoenix → Atlanta
Timetable, Phoenix time
08:29AA 1404 from Denver at the gate
09:25WN 4709 to Atlanta leaves the gate
56 min apart on the timetable
The last days
AA 1404 and WN 4709 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.