AA 1913 then WN 4329 at Phoenix
Sacramento → Phoenix → Denver
Timetable, Phoenix time
08:56AA 1913 from Sacramento at the gate
19:05WN 4329 to Denver leaves the gate
10 h 09 apart on the timetable
The last days
AA 1913 and WN 4329 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.