AA 2714 then UA 2301 at Charlotte
Phoenix → Charlotte → Newark
Timetable, Charlotte time
05:05AA 2714 from Phoenix at the gate
13:45UA 2301 to Newark leaves the gate
8 h 40 apart on the timetable
The last days
AA 2714 and UA 2301 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.