AA 2887 then UA 2817 at Miami
Cleveland → Miami → Newark
Timetable, Miami time
08:53AA 2887 from Cleveland at the gate
13:22UA 2817 to Newark leaves the gate
4 h 29 apart on the timetable
The last days
AA 2887 and UA 2817 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.