AA 3338 then WN 581 at Denver
Phoenix Sky Harbor → Denver → Nashville
Timetable, Denver time
23:30AA 3338 from Phoenix Sky Harbor at the gate
08:35WN 581 to Nashville leaves the gate
9 h 05 apart on the timetable, overnight
The last days
AA 3338 and WN 581 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.