AA 2310 then WN 1280 at Phoenix
Cleveland → Phoenix → Denver
Timetable, Phoenix time
09:05AA 2310 from Cleveland at the gate
13:40WN 1280 to Denver leaves the gate
4 h 35 apart on the timetable
The last days
AA 2310 and WN 1280 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.