UA 1310 then AA 1708 at Newark
Austin → New York → Miami
Timetable, New York time
10:41UA 1310 from Austin at the gate
18:29AA 1708 to Miami leaves the gate
7 h 48 apart on the timetable
The last days
UA 1310 and AA 1708 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.